57399104 has 56 divisors (see below), whose sum is σ = 134404608. Its totient is φ = 23800320.

The previous prime is 57399103. The next prime is 57399107. The reversal of 57399104 is 40199375.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57399103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11822 + ... + 15954.

Almost surely, 2^57399104 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 57399104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67202304).

57399104 is an abundant number, since it is smaller than the sum of its proper divisors (77005504).

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

57399104 is a wasteful number, since it uses less digits than its factorization.

57399104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183 (or 4173 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 57399104 is about 7576.2196377877. The cubic root of 57399104 is about 385.7462425153.

The spelling of 57399104 in words is "fifty-seven million, three hundred ninety-nine thousand, one hundred four".