56620265 has 16 divisors (see below), whose sum is σ = 73328976. Its totient is φ = 41721600.

The previous prime is 56620243. The next prime is 56620279. The reversal of 56620265 is 56202665.

It can be written as a sum of positive squares in 8 ways, for example, as 5053504 + 51566761 = 2248^2 + 7181^2 .

It is not a de Polignac number, because 56620265 - 2¹⁴ = 56603881 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52835 + ... + 53895.

It is an arithmetic number, because the mean of its divisors is an integer number (4583061).

Almost surely, 2^56620265 is an apocalyptic number.

It is an amenable number.

56620265 is a deficient number, since it is larger than the sum of its proper divisors (16708711).

56620265 is a wasteful number, since it uses less digits than its factorization.

56620265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 56620265 is about 7524.6438453923. The cubic root of 56620265 is about 383.9935821591.

The spelling of 56620265 in words is "fifty-six million, six hundred twenty thousand, two hundred sixty-five".