57247104 has 64 divisors (see below), whose sum is σ = 155643840. Its totient is φ = 18633216.

The previous prime is 57247079. The next prime is 57247117. The reversal of 57247104 is 40174275.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14779 + ... + 18245.

It is an arithmetic number, because the mean of its divisors is an integer number (2431935).

Almost surely, 2^57247104 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 57247104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77821920).

57247104 is an abundant number, since it is smaller than the sum of its proper divisors (98396736).

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

57247104 is a wasteful number, since it uses less digits than its factorization.

57247104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527 (or 3515 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 57247104 is about 7566.1815997239. The cubic root of 57247104 is about 385.4054400911.

The spelling of 57247104 in words is "fifty-seven million, two hundred forty-seven thousand, one hundred four".