56778075 has 36 divisors (see below), whose sum is σ = 102175008. Its totient is φ = 30139200.

The previous prime is 56778067. The next prime is 56778101. The reversal of 56778075 is 57087765.

56778075 is a `hidden beast` number, since 567 + 7 + 80 + 7 + 5 = 666.

It is not a de Polignac number, because 56778075 - 2³ = 56778067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 56778075.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 61870 + ... + 62780.

Almost surely, 2^56778075 is an apocalyptic number.

56778075 is a deficient number, since it is larger than the sum of its proper divisors (45396933).

56778075 is a wasteful number, since it uses less digits than its factorization.

56778075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204 (or 1196 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 45.

The square root of 56778075 is about 7535.1227594512. The cubic root of 56778075 is about 384.3500023402.

The spelling of 56778075 in words is "fifty-six million, seven hundred seventy-eight thousand, seventy-five".