56743015637 has 16 divisors (see below), whose sum is σ = 70954495872. Its totient is φ = 44084113920.

The previous prime is 56743015607. The next prime is 56743015663. The reversal of 56743015637 is 73651034765.

It is not a de Polignac number, because 56743015637 - 2¹² = 56743011541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56743015591 and 56743015600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56743015607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1067408 + ... + 1119305.

It is an arithmetic number, because the mean of its divisors is an integer number (4434655992).

Almost surely, 2^56743015637 is an apocalyptic number.

It is an amenable number.

56743015637 is a deficient number, since it is larger than the sum of its proper divisors (14211480235).

56743015637 is a wasteful number, since it uses less digits than its factorization.

56743015637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187068.

The product of its (nonzero) digits is 1587600, while the sum is 47.

The spelling of 56743015637 in words is "fifty-six billion, seven hundred forty-three million, fifteen thousand, six hundred thirty-seven".