57381548 has 36 divisors (see below), whose sum is σ = 119316960. Its totient is φ = 24064992.

The previous prime is 57381461. The next prime is 57381559. The reversal of 57381548 is 84518375.

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, 6098 + ... + 12326.

It is an arithmetic number, because the mean of its divisors is an integer number (3314360).

Almost surely, 2^57381548 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 57381548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59658480).

57381548 is an abundant number, since it is smaller than the sum of its proper divisors (61935412).

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

57381548 is a wasteful number, since it uses less digits than its factorization.

57381548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6294 (or 6285 counting only the distinct ones).

The product of its digits is 134400, while the sum is 41.

The square root of 57381548 is about 7575.0609238474. The cubic root of 57381548 is about 385.7069105912.

The spelling of 57381548 in words is "fifty-seven million, three hundred eighty-one thousand, five hundred forty-eight".