57772133 has 8 divisors (see below), whose sum is σ = 59948952. Its totient is φ = 55627776.

The previous prime is 57772129. The next prime is 57772163. The reversal of 57772133 is 33127775.

It can be written as a sum of positive squares in 4 ways, for example, as 20232004 + 37540129 = 4498^2 + 6127^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 57772133 - 2² = 57772129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57772093 and 57772102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57772163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4460 + ... + 11637.

It is an arithmetic number, because the mean of its divisors is an integer number (7493619).

Almost surely, 2^57772133 is an apocalyptic number.

It is an amenable number.

57772133 is a deficient number, since it is larger than the sum of its proper divisors (2176819).

57772133 is a wasteful number, since it uses less digits than its factorization.

57772133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16231.

The product of its digits is 30870, while the sum is 35.

The square root of 57772133 is about 7600.7981817701. The cubic root of 57772133 is about 386.5800763132.

The spelling of 57772133 in words is "fifty-seven million, seven hundred seventy-two thousand, one hundred thirty-three".