56494538 has 8 divisors (see below), whose sum is σ = 84863460. Its totient is φ = 28206720.

The previous prime is 56494499. The next prime is 56494549. The reversal of 56494538 is 83549465.

56494538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 51079609 + 5414929 = 7147^2 + 2327^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18503 + ... + 21338.

Almost surely, 2^56494538 is an apocalyptic number.

56494538 is a deficient number, since it is larger than the sum of its proper divisors (28368922).

56494538 is a wasteful number, since it uses less digits than its factorization.

56494538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40552.

The product of its digits is 518400, while the sum is 44.

The square root of 56494538 is about 7516.2848535696. The cubic root of 56494538 is about 383.7091484275.

The spelling of 56494538 in words is "fifty-six million, four hundred ninety-four thousand, five hundred thirty-eight".