56494660 has 12 divisors (see below), whose sum is σ = 118638828. Its totient is φ = 22597856.

The previous prime is 56494649. The next prime is 56494663. The reversal of 56494660 is 6649465.

It can be written as a sum of positive squares in 2 ways, for example, as 18524416 + 37970244 = 4304^2 + 6162^2 .

It is not an unprimeable number, because it can be changed into a prime (56494663) 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 3 ways as a sum of consecutive naturals, for example, 1412347 + ... + 1412386.

It is an arithmetic number, because the mean of its divisors is an integer number (9886569).

Almost surely, 2^56494660 is an apocalyptic number.

It is an amenable number.

56494660 is an abundant number, since it is smaller than the sum of its proper divisors (62144168).

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

56494660 is a wasteful number, since it uses less digits than its factorization.

56494660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824742 (or 2824740 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 56494660 is about 7516.2929692768. The cubic root of 56494660 is about 383.7094246341.

The spelling of 56494660 in words is "fifty-six million, four hundred ninety-four thousand, six hundred sixty".