57691248 has 80 divisors (see below), whose sum is σ = 155513856. Its totient is φ = 18408960.

The previous prime is 57691247. The next prime is 57691259. The reversal of 57691248 is 84219675.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57691247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203715 + ... + 203997.

Almost surely, 2^57691248 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 57691248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77756928).

57691248 is an abundant number, since it is smaller than the sum of its proper divisors (97822608).

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

57691248 is a wasteful number, since it uses less digits than its factorization.

57691248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 456 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 57691248 is about 7595.4754953196. The cubic root of 57691248 is about 386.3995790624.

The spelling of 57691248 in words is "fifty-seven million, six hundred ninety-one thousand, two hundred forty-eight".