57389990250 has 64 divisors (see below), whose sum is σ = 145207820160. Its totient is φ = 15094339200.

The previous prime is 57389990227. The next prime is 57389990263. The reversal of 57389990250 is 5209998375.

It is a super-2 number, since 2×57389990250² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 469360 + ... + 578859.

It is an arithmetic number, because the mean of its divisors is an integer number (2268872190).

Almost surely, 2^57389990250 is an apocalyptic number.

57389990250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57389990250 is an abundant number, since it is smaller than the sum of its proper divisors (87817829910).

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

57389990250 is a wasteful number, since it uses less digits than its factorization.

57389990250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048312 (or 1048302 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 57.

The spelling of 57389990250 in words is "fifty-seven billion, three hundred eighty-nine million, nine hundred ninety thousand, two hundred fifty".