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54552056440 = 2357792466187
BaseRepresentation
bin110010110011100011…
…100101001001111000
312012210211022121010211
4302303203211021320
51343210311301230
641021051520504
73640564554220
oct626343451170
9165724277124
1054552056440
1121154239472
12a6a5459134
1351b4b7194b
1428d710b080
15164431742a
hexcb38e5278

54552056440 has 64 divisors (see below), whose sum is σ = 142052428800. Its totient is φ = 18466800768.

The previous prime is 54552056417. The next prime is 54552056453. The reversal of 54552056440 is 4465025545.

It is a happy number.

54552056440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 54552056393 and 54552056402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1210974 + ... + 1255213.

It is an arithmetic number, because the mean of its divisors is an integer number (2219569200).

Almost surely, 254552056440 is an apocalyptic number.

It is an amenable number.

54552056440 is an abundant number, since it is smaller than the sum of its proper divisors (87500372360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54552056440 is a wasteful number, since it uses less digits than its factorization.

54552056440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466284 (or 2466280 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

It can be divided in two parts, 5455205 and 6440, that added together give a palindrome (5461645).

The spelling of 54552056440 in words is "fifty-four billion, five hundred fifty-two million, fifty-six thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 79 140 158 280 316 395 553 632 790 1106 1580 2212 2765 3160 4424 5530 11060 22120 2466187 4932374 9864748 12330935 17263309 19729496 24661870 34526618 49323740 69053236 86316545 98647480 138106472 172633090 194828773 345266180 389657546 690532360 779315092 974143865 1363801411 1558630184 1948287730 2727602822 3896575460 5455205644 6819007055 7793150920 10910411288 13638014110 27276028220 54552056440