56525015 has 4 divisors (see below), whose sum is σ = 67830024. Its totient is φ = 45220008.

The previous prime is 56524939. The next prime is 56525023. The reversal of 56525015 is 51052565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56525015 - 2⁸ = 56524759 is a prime.

It is a Duffinian 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, 5652497 + ... + 5652506.

It is an arithmetic number, because the mean of its divisors is an integer number (16957506).

Almost surely, 2^56525015 is an apocalyptic number.

56525015 is a deficient number, since it is larger than the sum of its proper divisors (11305009).

56525015 is a wasteful number, since it uses less digits than its factorization.

56525015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11305008.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 56525015 is about 7518.3119780972. The cubic root of 56525015 is about 383.7781356362.

The spelling of 56525015 in words is "fifty-six million, five hundred twenty-five thousand, fifteen".