56566402 has 8 divisors (see below), whose sum is σ = 85052412. Its totient is φ = 28215600.

The previous prime is 56566399. The next prime is 56566441. The reversal of 56566402 is 20466565.

It can be written as a sum of positive squares in 2 ways, for example, as 56565441 + 961 = 7521^2 + 31^2 .

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

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, 32749 + ... + 34432.

Almost surely, 2^56566402 is an apocalyptic number.

56566402 is a deficient number, since it is larger than the sum of its proper divisors (28486010).

56566402 is a wasteful number, since it uses less digits than its factorization.

56566402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67604.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 56566402 is about 7521.0638875095. The cubic root of 56566402 is about 383.8717788413.

The spelling of 56566402 in words is "fifty-six million, five hundred sixty-six thousand, four hundred two".