56783877 has 8 divisors (see below), whose sum is σ = 76406880. Its totient is φ = 37508400.

The previous prime is 56783873. The next prime is 56783879. The reversal of 56783877 is 77838765.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56783877 - 2² = 56783873 is a prime.

It is a super-2 number, since 2×56783877² = 6448817374302258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56783873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86499 + ... + 87152.

It is an arithmetic number, because the mean of its divisors is an integer number (9550860).

Almost surely, 2^56783877 is an apocalyptic number.

It is an amenable number.

56783877 is a deficient number, since it is larger than the sum of its proper divisors (19623003).

56783877 is a wasteful number, since it uses less digits than its factorization.

56783877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173763.

The product of its digits is 1975680, while the sum is 51.

The square root of 56783877 is about 7535.5077466618. The cubic root of 56783877 is about 384.3630937947.

The spelling of 56783877 in words is "fifty-six million, seven hundred eighty-three thousand, eight hundred seventy-seven".