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54433531405 = 511989700571
BaseRepresentation
bin110010101100011111…
…011100011000001101
312012111120021220100201
4302230133130120031
51342434441001110
641001215253501
73634625245201
oct625437343015
9165446256321
1054433531405
11210a33448a0
12a67181a291
1351964431a6
1428c5496b01
151638c03b3a
hexcac7dc60d

54433531405 has 8 divisors (see below), whose sum is σ = 71258441184. Its totient is φ = 39588022800.

The previous prime is 54433531381. The next prime is 54433531423. The reversal of 54433531405 is 50413533445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-54433531405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494850231 + ... + 494850340.

It is an arithmetic number, because the mean of its divisors is an integer number (8907305148).

Almost surely, 254433531405 is an apocalyptic number.

54433531405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54433531405 is a deficient number, since it is larger than the sum of its proper divisors (16824909779).

54433531405 is a wasteful number, since it uses less digits than its factorization.

54433531405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989700587.

The product of its (nonzero) digits is 216000, while the sum is 37.

The spelling of 54433531405 in words is "fifty-four billion, four hundred thirty-three million, five hundred thirty-one thousand, four hundred five".

Divisors: 1 5 11 55 989700571 4948502855 10886706281 54433531405