56525819 has 8 divisors (see below), whose sum is σ = 65975808. Its totient is φ = 47419560.

The previous prime is 56525813. The next prime is 56525831. The reversal of 56525819 is 91852565.

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

It is a cyclic number.

It is not a de Polignac number, because 56525819 - 2⁸ = 56525563 is a prime.

It is a super-2 number, since 2×56525819² = 6390336427241522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56525813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85577 + ... + 86234.

It is an arithmetic number, because the mean of its divisors is an integer number (8246976).

Almost surely, 2^56525819 is an apocalyptic number.

56525819 is a deficient number, since it is larger than the sum of its proper divisors (9449989).

56525819 is a wasteful number, since it uses less digits than its factorization.

56525819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171865.

The product of its digits is 108000, while the sum is 41.

The square root of 56525819 is about 7518.3654473562. The cubic root of 56525819 is about 383.7799552209.

The spelling of 56525819 in words is "fifty-six million, five hundred twenty-five thousand, eight hundred nineteen".