56620870 has 8 divisors (see below), whose sum is σ = 101917584. Its totient is φ = 22648344.

The previous prime is 56620807. The next prime is 56620891. The reversal of 56620870 is 7802665.

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

It is a congruent number.

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, 2831034 + ... + 2831053.

It is an arithmetic number, because the mean of its divisors is an integer number (12739698).

Almost surely, 2^56620870 is an apocalyptic number.

56620870 is a deficient number, since it is larger than the sum of its proper divisors (45296714).

56620870 is a wasteful number, since it uses less digits than its factorization.

56620870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5662094.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 56620870 is about 7524.6840465231. The cubic root of 56620870 is about 383.9949498395.

The spelling of 56620870 in words is "fifty-six million, six hundred twenty thousand, eight hundred seventy".