56776733 has 6 divisors (see below), whose sum is σ = 61480314. Its totient is φ = 52409136.

The previous prime is 56776723. The next prime is 56776757. The reversal of 56776733 is 33767765.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 196249 + 56580484 = 443^2 + 7522^2 .

It is not a de Polignac number, because 56776733 - 2⁶ = 56776669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56776723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167810 + ... + 168147.

It is an arithmetic number, because the mean of its divisors is an integer number (10246719).

Almost surely, 2^56776733 is an apocalyptic number.

It is an amenable number.

56776733 is a deficient number, since it is larger than the sum of its proper divisors (4703581).

56776733 is a wasteful number, since it uses less digits than its factorization.

56776733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335983 (or 335970 counting only the distinct ones).

The product of its digits is 555660, while the sum is 44.

The square root of 56776733 is about 7535.0337092809. The cubic root of 56776733 is about 384.3469741657.

The spelling of 56776733 in words is "fifty-six million, seven hundred seventy-six thousand, seven hundred thirty-three".