57389948 has 48 divisors (see below), whose sum is σ = 125798400. Its totient is φ = 22255680.

The previous prime is 57389887. The next prime is 57389951. The reversal of 57389948 is 84998375.

It is a super-2 number, since 2×57389948² = 6587212262885408, which contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 57389948.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119573 + ... + 120051.

It is an arithmetic number, because the mean of its divisors is an integer number (2620800).

Almost surely, 2^57389948 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57389948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62899200).

57389948 is an abundant number, since it is smaller than the sum of its proper divisors (68408452).

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

57389948 is a wasteful number, since it uses less digits than its factorization.

57389948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890 (or 888 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The square root of 57389948 is about 7575.6153545438. The cubic root of 57389948 is about 385.7257306944.

The spelling of 57389948 in words is "fifty-seven million, three hundred eighty-nine thousand, nine hundred forty-eight".