56155670 has 16 divisors (see below), whose sum is σ = 101294928. Its totient is φ = 22414560.

The previous prime is 56155667. The next prime is 56155699. The reversal of 56155670 is 7655165.

It is a self number, because there is not a number n which added to its sum of digits gives 56155670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 809 + ... + 10628.

It is an arithmetic number, because the mean of its divisors is an integer number (6330933).

Almost surely, 2^56155670 is an apocalyptic number.

56155670 is a deficient number, since it is larger than the sum of its proper divisors (45139258).

56155670 is a wasteful number, since it uses less digits than its factorization.

56155670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11935.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 56155670 is about 7493.7086946318. The cubic root of 56155670 is about 382.9404157115.

The spelling of 56155670 in words is "fifty-six million, one hundred fifty-five thousand, six hundred seventy".