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52550501540 = 2252990604313
BaseRepresentation
bin110000111100010000…
…010000010010100100
312000122100001001222212
4300330100100102210
51330110412022130
640050311342552
73540151615205
oct607420202244
9160570031885
1052550501540
112031742a669
12a227081a58
134c562a1934
1427873695ac
151578748e95
hexc3c4104a4

52550501540 has 24 divisors (see below), whose sum is σ = 114161435640. Its totient is φ = 20295365888.

The previous prime is 52550501527. The next prime is 52550501557. The reversal of 52550501540 is 4510505525.

It can be written as a sum of positive squares in 4 ways, for example, as 19064429476 + 33486072064 = 138074^2 + 182992^2 .

It is a super-3 number, since 3×525505015403 (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52550501497 and 52550501506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45301577 + ... + 45302736.

It is an arithmetic number, because the mean of its divisors is an integer number (4756726485).

Almost surely, 252550501540 is an apocalyptic number.

It is an amenable number.

52550501540 is an abundant number, since it is smaller than the sum of its proper divisors (61610934100).

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

52550501540 is a wasteful number, since it uses less digits than its factorization.

52550501540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90604351 (or 90604349 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 32.

The spelling of 52550501540 in words is "fifty-two billion, five hundred fifty million, five hundred one thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 90604313 181208626 362417252 453021565 906043130 1812086260 2627525077 5255050154 10510100308 13137625385 26275250770 52550501540