56649507 has 8 divisors (see below), whose sum is σ = 79508160. Its totient is φ = 35778600.

The previous prime is 56649503. The next prime is 56649521. The reversal of 56649507 is 70594665.

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

It is not a de Polignac number, because 56649507 - 2² = 56649503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56649503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496869 + ... + 496982.

It is an arithmetic number, because the mean of its divisors is an integer number (9938520).

Almost surely, 2^56649507 is an apocalyptic number.

56649507 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

56649507 is a deficient number, since it is larger than the sum of its proper divisors (22858653).

56649507 is a wasteful number, since it uses less digits than its factorization.

56649507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993873.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 56649507 is about 7526.5866765752. The cubic root of 56649507 is about 384.0596763265.

The spelling of 56649507 in words is "fifty-six million, six hundred forty-nine thousand, five hundred seven".