56777742 has 24 divisors (see below), whose sum is σ = 140592816. Its totient is φ = 16222176.

The previous prime is 56777729. The next prime is 56777761. The reversal of 56777742 is 24777765.

It is a congruent number.

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, 225183 + ... + 225434.

It is an arithmetic number, because the mean of its divisors is an integer number (5858034).

Almost surely, 2^56777742 is an apocalyptic number.

56777742 is an abundant number, since it is smaller than the sum of its proper divisors (83815074).

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

56777742 is a wasteful number, since it uses less digits than its factorization.

56777742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450632 (or 450629 counting only the distinct ones).

The product of its digits is 576240, while the sum is 45.

The square root of 56777742 is about 7535.1006628976. The cubic root of 56777742 is about 384.3492509422.

The spelling of 56777742 in words is "fifty-six million, seven hundred seventy-seven thousand, seven hundred forty-two".