57497040 has 200 divisors, whose sum is σ = 210656160. Its totient is φ = 14494464.

The previous prime is 57496991. The next prime is 57497071. The reversal of 57497040 is 4079475.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 57496986 and 57497004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 122887 + ... + 123353.

Almost surely, 2^57497040 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 57497040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105328080).

57497040 is an abundant number, since it is smaller than the sum of its proper divisors (153159120).

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

57497040 is a wasteful number, since it uses less digits than its factorization.

57497040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 57497040 is about 7582.6802649195. The cubic root of 57497040 is about 385.9655082964.

The spelling of 57497040 in words is "fifty-seven million, four hundred ninety-seven thousand, forty".