56857276 has 12 divisors (see below), whose sum is σ = 113714608. Its totient is φ = 24367392.

The previous prime is 56857261. The next prime is 56857289. The reversal of 56857276 is 67275865.

56857276 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015281 + ... + 1015336.

Almost surely, 2^56857276 is an apocalyptic number.

It is an amenable number.

56857276 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56857276 is a wasteful number, since it uses less digits than its factorization.

56857276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030628 (or 2030626 counting only the distinct ones).

The product of its digits is 705600, while the sum is 46.

The square root of 56857276 is about 7540.3763831788. The cubic root of 56857276 is about 384.5286320975.

It can be divided in two parts, 5685 and 7276, that multiplied together give a triangular number (41364060 = T₉₀₉₅).

The spelling of 56857276 in words is "fifty-six million, eight hundred fifty-seven thousand, two hundred seventy-six".