56525997 has 12 divisors (see below), whose sum is σ = 82843040. Its totient is φ = 34257960.

The previous prime is 56525971. The next prime is 56526013. The reversal of 56525997 is 79952565.

It is a happy number.

It is not a de Polignac number, because 56525997 - 2¹² = 56521901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56525597) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77497 + ... + 78222.

Almost surely, 2^56525997 is an apocalyptic number.

It is an amenable number.

56525997 is a deficient number, since it is larger than the sum of its proper divisors (26317043).

56525997 is a wasteful number, since it uses less digits than its factorization.

56525997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155744 (or 155733 counting only the distinct ones).

The product of its digits is 850500, while the sum is 48.

The square root of 56525997 is about 7518.3772850263. The cubic root of 56525997 is about 383.7803580619.

It can be divided in two parts, 565 and 25997, that added together give a palindrome (26562).

The spelling of 56525997 in words is "fifty-six million, five hundred twenty-five thousand, nine hundred ninety-seven".