56775746 has 8 divisors (see below), whose sum is σ = 85249164. Its totient is φ = 28359360.

The previous prime is 56775739. The next prime is 56775779. The reversal of 56775746 is 64757765.

It can be written as a sum of positive squares in 2 ways, for example, as 38925121 + 17850625 = 6239^2 + 4225^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 56775746.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11675 + ... + 15806.

Almost surely, 2^56775746 is an apocalyptic number.

56775746 is a deficient number, since it is larger than the sum of its proper divisors (28473418).

56775746 is a wasteful number, since it uses less digits than its factorization.

56775746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28516.

The product of its digits is 1234800, while the sum is 47.

The square root of 56775746 is about 7534.9682149296. The cubic root of 56775746 is about 384.3447470053.

The spelling of 56775746 in words is "fifty-six million, seven hundred seventy-five thousand, seven hundred forty-six".