56670555 has 16 divisors (see below), whose sum is σ = 90768384. Its totient is φ = 30192480.

The previous prime is 56670547. The next prime is 56670583. The reversal of 56670555 is 55507665.

It is not a de Polignac number, because 56670555 - 2³ = 56670547 is a prime.

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, 22300 + ... + 24710.

It is an arithmetic number, because the mean of its divisors is an integer number (5673024).

Almost surely, 2^56670555 is an apocalyptic number.

56670555 is a deficient number, since it is larger than the sum of its proper divisors (34097829).

56670555 is a wasteful number, since it uses less digits than its factorization.

56670555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3986.

The product of its (nonzero) digits is 157500, while the sum is 39.

The square root of 56670555 is about 7527.9847901015. The cubic root of 56670555 is about 384.1072359467.

The spelling of 56670555 in words is "fifty-six million, six hundred seventy thousand, five hundred fifty-five".