56769877 has 4 divisors (see below), whose sum is σ = 58304236. Its totient is φ = 55235520.

The previous prime is 56769863. The next prime is 56769899. The reversal of 56769877 is 77896765.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25867396 + 30902481 = 5086^2 + 5559^2 .

It is a cyclic number.

It is not a de Polignac number, because 56769877 - 2¹⁹ = 56245589 is a prime.

It is a Duffinian number.

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56769857) 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, 767124 + ... + 767197.

It is an arithmetic number, because the mean of its divisors is an integer number (14576059).

Almost surely, 2^56769877 is an apocalyptic number.

It is an amenable number.

56769877 is a deficient number, since it is larger than the sum of its proper divisors (1534359).

56769877 is a wasteful number, since it uses less digits than its factorization.

56769877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534358.

The product of its digits is 4445280, while the sum is 55.

The square root of 56769877 is about 7534.5787539849. The cubic root of 56769877 is about 384.3315031045.

The spelling of 56769877 in words is "fifty-six million, seven hundred sixty-nine thousand, eight hundred seventy-seven".