56605369 has 4 divisors (see below), whose sum is σ = 59066496. Its totient is φ = 54144244.

The previous prime is 56605363. The next prime is 56605399. The reversal of 56605369 is 96350665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56605369 - 2¹⁵ = 56572601 is a prime.

It is a super-2 number, since 2×56605369² = 6408335599252322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56605363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1230529 + ... + 1230574.

It is an arithmetic number, because the mean of its divisors is an integer number (14766624).

Almost surely, 2^56605369 is an apocalyptic number.

It is an amenable number.

56605369 is a deficient number, since it is larger than the sum of its proper divisors (2461127).

56605369 is a wasteful number, since it uses less digits than its factorization.

56605369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461126.

The product of its (nonzero) digits is 145800, while the sum is 40.

The square root of 56605369 is about 7523.6539659929. The cubic root of 56605369 is about 383.9599047582.

The spelling of 56605369 in words is "fifty-six million, six hundred five thousand, three hundred sixty-nine".