56761029937 has 4 divisors (see below), whose sum is σ = 57831992820. Its totient is φ = 55690067056.

The previous prime is 56761029881. The next prime is 56761029943. The reversal of 56761029937 is 73992016765.

56761029937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73992016765 = 5 ⋅14798403353.

It can be written as a sum of positive squares in 2 ways, for example, as 52093954081 + 4667075856 = 228241^2 + 68316^2 .

It is a cyclic number.

It is not a de Polignac number, because 56761029937 - 2¹⁵ = 56760997169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56761029337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535481362 + ... + 535481467.

It is an arithmetic number, because the mean of its divisors is an integer number (14457998205).

Almost surely, 2^56761029937 is an apocalyptic number.

It is an amenable number.

56761029937 is a deficient number, since it is larger than the sum of its proper divisors (1070962883).

56761029937 is a wasteful number, since it uses less digits than its factorization.

56761029937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070962882.

The product of its (nonzero) digits is 4286520, while the sum is 55.

The spelling of 56761029937 in words is "fifty-six billion, seven hundred sixty-one million, twenty-nine thousand, nine hundred thirty-seven".