56956665 has 8 divisors (see below), whose sum is σ = 91130688. Its totient is φ = 30376880.

The previous prime is 56956657. The next prime is 56956729. The reversal of 56956665 is 56665965.

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

It is not a de Polignac number, because 56956665 - 2³ = 56956657 is a prime.

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, 1898541 + ... + 1898570.

It is an arithmetic number, because the mean of its divisors is an integer number (11391336).

Almost surely, 2^56956665 is an apocalyptic number.

It is an amenable number.

56956665 is a deficient number, since it is larger than the sum of its proper divisors (34174023).

56956665 is a wasteful number, since it uses less digits than its factorization.

56956665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3797119.

The product of its digits is 1458000, while the sum is 48.

The square root of 56956665 is about 7546.9639591030. The cubic root of 56956665 is about 384.7525592805.

The spelling of 56956665 in words is "fifty-six million, nine hundred fifty-six thousand, six hundred sixty-five".