56531526 has 8 divisors (see below), whose sum is σ = 113063064. Its totient is φ = 18843840.

The previous prime is 56531491. The next prime is 56531537. The reversal of 56531526 is 62513565.

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

56531526 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4710955 + ... + 4710966.

It is an arithmetic number, because the mean of its divisors is an integer number (14132883).

Almost surely, 2^56531526 is an apocalyptic number.

56531526 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56531526 is a wasteful number, since it uses less digits than its factorization.

56531526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9421926.

The product of its digits is 27000, while the sum is 33.

The square root of 56531526 is about 7518.7449750607. The cubic root of 56531526 is about 383.7928706080.

The spelling of 56531526 in words is "fifty-six million, five hundred thirty-one thousand, five hundred twenty-six".