56748631 has 8 divisors (see below), whose sum is σ = 58880000. Its totient is φ = 54636120.

The previous prime is 56748617. The next prime is 56748641. The reversal of 56748631 is 13684765.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 56748631 - 2⁹ = 56748119 is a prime.

It is a super-2 number, since 2×56748631² = 6440814240748322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56748641) 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, 1570 + ... + 10768.

It is an arithmetic number, because the mean of its divisors is an integer number (7360000).

Almost surely, 2^56748631 is an apocalyptic number.

56748631 is a deficient number, since it is larger than the sum of its proper divisors (2131369).

56748631 is a wasteful number, since it uses less digits than its factorization.

56748631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9429.

The product of its digits is 120960, while the sum is 40.

The square root of 56748631 is about 7533.1687223903. The cubic root of 56748631 is about 384.2835520525.

The spelling of 56748631 in words is "fifty-six million, seven hundred forty-eight thousand, six hundred thirty-one".