57779950 has 24 divisors (see below), whose sum is σ = 113128920. Its totient is φ = 21895200.

The previous prime is 57779941. The next prime is 57779971. The reversal of 57779950 is 5997775.

It is a junction number, because it is equal to n+sod(n) for n = 57779894 and 57779903.

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, 29461 + ... + 31360.

It is an arithmetic number, because the mean of its divisors is an integer number (4713705).

Almost surely, 2^57779950 is an apocalyptic number.

57779950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57779950 is a deficient number, since it is larger than the sum of its proper divisors (55348970).

57779950 is a wasteful number, since it uses less digits than its factorization.

57779950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60852 (or 60847 counting only the distinct ones).

The product of its (nonzero) digits is 694575, while the sum is 49.

The square root of 57779950 is about 7601.3123866869. The cubic root of 57779950 is about 386.5975112483.

The spelling of 57779950 in words is "fifty-seven million, seven hundred seventy-nine thousand, nine hundred fifty".