57511248 has 20 divisors (see below), whose sum is σ = 148570848. Its totient is φ = 19170400.

The previous prime is 57511243. The next prime is 57511249. The reversal of 57511248 is 84211575.

57511248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57511243) 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 3 ways as a sum of consecutive naturals, for example, 599028 + ... + 599123.

Almost surely, 2^57511248 is an apocalyptic number.

It is an amenable number.

57511248 is an abundant number, since it is smaller than the sum of its proper divisors (91059600).

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

57511248 is a wasteful number, since it uses less digits than its factorization.

57511248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198162 (or 1198156 counting only the distinct ones).

The product of its digits is 11200, while the sum is 33.

The square root of 57511248 is about 7583.6170789406. The cubic root of 57511248 is about 385.9972974477.

The spelling of 57511248 in words is "fifty-seven million, five hundred eleven thousand, two hundred forty-eight".