56777378 has 24 divisors (see below), whose sum is σ = 99339372. Its totient is φ = 24267264.

The previous prime is 56777353. The next prime is 56777401. The reversal of 56777378 is 87377765.

It can be written as a sum of positive squares in 2 ways, for example, as 51079609 + 5697769 = 7147^2 + 2387^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57626 + ... + 58602.

Almost surely, 2^56777378 is an apocalyptic number.

56777378 is a deficient number, since it is larger than the sum of its proper divisors (42561994).

56777378 is a wasteful number, since it uses less digits than its factorization.

56777378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586 (or 1579 counting only the distinct ones).

The product of its digits is 1728720, while the sum is 50.

The square root of 56777378 is about 7535.0765092333. The cubic root of 56777378 is about 384.3484295908.

The spelling of 56777378 in words is "fifty-six million, seven hundred seventy-seven thousand, three hundred seventy-eight".