56741778 has 12 divisors (see below), whose sum is σ = 122940558. Its totient is φ = 18913920.

The previous prime is 56741761. The next prime is 56741837. The reversal of 56741778 is 87714765.

56741778 is a `hidden beast` number, since 567 + 4 + 17 + 78 = 666.

It can be written as a sum of positive squares in only one way, i.e., 55308969 + 1432809 = 7437^2 + 1197^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1576143 + ... + 1576178.

Almost surely, 2^56741778 is an apocalyptic number.

56741778 is an abundant number, since it is smaller than the sum of its proper divisors (66198780).

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

56741778 is a wasteful number, since it uses less digits than its factorization.

56741778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152329 (or 3152326 counting only the distinct ones).

The product of its digits is 329280, while the sum is 45.

The square root of 56741778 is about 7532.7138535856. The cubic root of 56741778 is about 384.2680826562.

The spelling of 56741778 in words is "fifty-six million, seven hundred forty-one thousand, seven hundred seventy-eight".