56525091 has 16 divisors (see below), whose sum is σ = 88137984. Its totient is φ = 31548384.

The previous prime is 56525071. The next prime is 56525107. The reversal of 56525091 is 19052565.

It is not a de Polignac number, because 56525091 - 2¹⁹ = 56000803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56525041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30396 + ... + 32201.

It is an arithmetic number, because the mean of its divisors is an integer number (5508624).

Almost surely, 2^56525091 is an apocalyptic number.

56525091 is a deficient number, since it is larger than the sum of its proper divisors (31612893).

56525091 is a wasteful number, since it uses less digits than its factorization.

56525091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62650.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 56525091 is about 7518.3170324216. The cubic root of 56525091 is about 383.7783076375.

The spelling of 56525091 in words is "fifty-six million, five hundred twenty-five thousand, ninety-one".