57139376 has 40 divisors (see below), whose sum is σ = 128682240. Its totient is φ = 24070464.

The previous prime is 57139373. The next prime is 57139421. The reversal of 57139376 is 67393175.

57139376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (57139373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2285 + ... + 10931.

It is an arithmetic number, because the mean of its divisors is an integer number (3217056).

Almost surely, 2^57139376 is an apocalyptic number.

57139376 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57139376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64341120).

57139376 is an abundant number, since it is smaller than the sum of its proper divisors (71542864).

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

57139376 is a wasteful number, since it uses less digits than its factorization.

57139376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8721 (or 8715 counting only the distinct ones).

The product of its digits is 119070, while the sum is 41.

The square root of 57139376 is about 7559.0592007207. The cubic root of 57139376 is about 385.1635354056.

The spelling of 57139376 in words is "fifty-seven million, one hundred thirty-nine thousand, three hundred seventy-six".