57490048 has 128 divisors (see below), whose sum is σ = 150796800. Its totient is φ = 21150720.

The previous prime is 57490031. The next prime is 57490051. The reversal of 57490048 is 84009475.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 57489989 and 57490016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187111 + ... + 187417.

It is an arithmetic number, because the mean of its divisors is an integer number (1178100).

Almost surely, 2^57490048 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 57490048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75398400).

57490048 is an abundant number, since it is smaller than the sum of its proper divisors (93306752).

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

57490048 is a wasteful number, since it uses less digits than its factorization.

57490048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 57490048 is about 7582.2192002078. The cubic root of 57490048 is about 385.9498623882.

The spelling of 57490048 in words is "fifty-seven million, four hundred ninety thousand, forty-eight".