56496639 has 4 divisors (see below), whose sum is σ = 75328856. Its totient is φ = 37664424.

The previous prime is 56496637. The next prime is 56496641. The reversal of 56496639 is 93669465.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (56496637) and next prime (56496641).

It is not a de Polignac number, because 56496639 - 2¹ = 56496637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56496631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9416104 + ... + 9416109.

It is an arithmetic number, because the mean of its divisors is an integer number (18832214).

Almost surely, 2^56496639 is an apocalyptic number.

56496639 is a deficient number, since it is larger than the sum of its proper divisors (18832217).

56496639 is a wasteful number, since it uses less digits than its factorization.

56496639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18832216.

The product of its digits is 1049760, while the sum is 48.

The square root of 56496639 is about 7516.4246154671. The cubic root of 56496639 is about 383.7139050108.

The spelling of 56496639 in words is "fifty-six million, four hundred ninety-six thousand, six hundred thirty-nine".