57110040 has 96 divisors (see below), whose sum is σ = 199901520. Its totient is φ = 14056704.

The previous prime is 57109999. The next prime is 57110041. The reversal of 57110040 is 4001175.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 57109995 and 57110022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57110041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1422 + ... + 10781.

Almost surely, 2^57110040 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 57110040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99950760).

57110040 is an abundant number, since it is smaller than the sum of its proper divisors (142791480).

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

57110040 is a wasteful number, since it uses less digits than its factorization.

57110040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12233 (or 12226 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 57110040 is about 7557.1184984755. The cubic root of 57110040 is about 385.0976083543.

The spelling of 57110040 in words is "fifty-seven million, one hundred ten thousand, forty".