56769893 has 6 divisors (see below), whose sum is σ = 57053862. Its totient is φ = 56487240.

The previous prime is 56769863. The next prime is 56769899. The reversal of 56769893 is 39896765.

It can be written as a sum of positive squares in only one way, i.e., 35545444 + 21224449 = 5962^2 + 4607^2 .

It is not a de Polignac number, because 56769893 - 2¹⁸ = 56507749 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 (56769899) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73055 + ... + 73827.

It is an arithmetic number, because the mean of its divisors is an integer number (9508977).

Almost surely, 2^56769893 is an apocalyptic number.

It is an amenable number.

56769893 is a deficient number, since it is larger than the sum of its proper divisors (283969).

56769893 is an frugal number, since it uses more digits than its factorization.

56769893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315 (or 1044 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 53.

The square root of 56769893 is about 7534.5798157562. The cubic root of 56769893 is about 384.3315392111.

Subtracting from 56769893 its sum of digits (53), we obtain a triangular number (56769840 = T₁₀₆₅₅).

The spelling of 56769893 in words is "fifty-six million, seven hundred sixty-nine thousand, eight hundred ninety-three".