56117590 has 8 divisors (see below), whose sum is σ = 101011680. Its totient is φ = 22447032.

The previous prime is 56117587. The next prime is 56117591. The reversal of 56117590 is 9571165.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56117591) 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, 2805870 + ... + 2805889.

It is an arithmetic number, because the mean of its divisors is an integer number (12626460).

Almost surely, 2^56117590 is an apocalyptic number.

56117590 is a deficient number, since it is larger than the sum of its proper divisors (44894090).

56117590 is a wasteful number, since it uses less digits than its factorization.

56117590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611766.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 56117590 is about 7491.1674657559. The cubic root of 56117590 is about 382.8538369301.

The spelling of 56117590 in words is "fifty-six million, one hundred seventeen thousand, five hundred ninety".