57122850 has 24 divisors (see below), whose sum is σ = 141665040. Its totient is φ = 15232720.

The previous prime is 57122827. The next prime is 57122899. The reversal of 57122850 is 5822175.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190260 + ... + 190559.

It is an arithmetic number, because the mean of its divisors is an integer number (5902710).

Almost surely, 2^57122850 is an apocalyptic number.

57122850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57122850 is an abundant number, since it is smaller than the sum of its proper divisors (84542190).

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

57122850 is a wasteful number, since it uses less digits than its factorization.

57122850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380834 (or 380829 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 57122850 is about 7557.9659962188. The cubic root of 57122850 is about 385.1263991563.

The spelling of 57122850 in words is "fifty-seven million, one hundred twenty-two thousand, eight hundred fifty".