56506765 has 8 divisors (see below), whose sum is σ = 77495040. Its totient is φ = 38747472.

The previous prime is 56506757. The next prime is 56506771. The reversal of 56506765 is 56760565.

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

It is a cyclic number.

It is not a de Polignac number, because 56506765 - 2³ = 56506757 is a prime.

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, 807205 + ... + 807274.

It is an arithmetic number, because the mean of its divisors is an integer number (9686880).

Almost surely, 2^56506765 is an apocalyptic number.

It is an amenable number.

56506765 is a deficient number, since it is larger than the sum of its proper divisors (20988275).

56506765 is a wasteful number, since it uses less digits than its factorization.

56506765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614491.

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 56506765 is about 7517.0981768233. The cubic root of 56506765 is about 383.7368282322.

The spelling of 56506765 in words is "fifty-six million, five hundred six thousand, seven hundred sixty-five".