52525603581 has 32 divisors (see below), whose sum is σ = 77204828160. Its totient is φ = 31499112000.

The previous prime is 52525603573. The next prime is 52525603591. The reversal of 52525603581 is 18530652525.

It is not a de Polignac number, because 52525603581 - 2³ = 52525603573 is a prime.

It is a super-2 number, since 2×52525603581² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52525603591) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6872160 + ... + 6879798.

It is an arithmetic number, because the mean of its divisors is an integer number (2412650880).

Almost surely, 2^52525603581 is an apocalyptic number.

It is an amenable number.

52525603581 is a deficient number, since it is larger than the sum of its proper divisors (24679224579).

52525603581 is a wasteful number, since it uses less digits than its factorization.

52525603581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9817.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 52525603581 in words is "fifty-two billion, five hundred twenty-five million, six hundred three thousand, five hundred eighty-one".