56649774 has 16 divisors (see below), whose sum is σ = 114128208. Its totient is φ = 18745152.

The previous prime is 56649767. The next prime is 56649779. The reversal of 56649774 is 47794665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56649779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33637 + ... + 35280.

It is an arithmetic number, because the mean of its divisors is an integer number (7133013).

Almost surely, 2^56649774 is an apocalyptic number.

56649774 is an abundant number, since it is smaller than the sum of its proper divisors (57478434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56649774 is a wasteful number, since it uses less digits than its factorization.

56649774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69059.

The product of its digits is 1270080, while the sum is 48.

The square root of 56649774 is about 7526.6044136782. The cubic root of 56649774 is about 384.0602797079.

The spelling of 56649774 in words is "fifty-six million, six hundred forty-nine thousand, seven hundred seventy-four".