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56525987508 = 2237364527383
BaseRepresentation
bin110100101001001101…
…100001111010110100
312101220101121200111220
4310221031201322310
51411231123100013
641545004030340
74040523652254
oct645115417264
9171811550456
1056525987508
1121a774a0061
12ab565323b0
13543aabc3b3
142a4333b964
15170c77ab23
hexd29361eb4

56525987508 has 24 divisors (see below), whose sum is σ = 133700739648. Its totient is φ = 18583886016.

The previous prime is 56525987501. The next prime is 56525987519. The reversal of 56525987508 is 80578952565.

56525987508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×565259875083 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56525987501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32262816 + ... + 32264567.

It is an arithmetic number, because the mean of its divisors is an integer number (5570864152).

Almost surely, 256525987508 is an apocalyptic number.

It is an amenable number.

56525987508 is an abundant number, since it is smaller than the sum of its proper divisors (77174752140).

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

56525987508 is a wasteful number, since it uses less digits than its factorization.

56525987508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64527463 (or 64527461 counting only the distinct ones).

The product of its (nonzero) digits is 30240000, while the sum is 60.

The spelling of 56525987508 in words is "fifty-six billion, five hundred twenty-five million, nine hundred eighty-seven thousand, five hundred eight".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 64527383 129054766 193582149 258109532 387164298 774328596 4710498959 9420997918 14131496877 18841995836 28262993754 56525987508