57451740 has 24 divisors (see below), whose sum is σ = 160865040. Its totient is φ = 15320448.

The previous prime is 57451717. The next prime is 57451759. The reversal of 57451740 is 4715475.

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, 478705 + ... + 478824.

It is an arithmetic number, because the mean of its divisors is an integer number (6702710).

Almost surely, 2^57451740 is an apocalyptic number.

It is an amenable number.

57451740 is an abundant number, since it is smaller than the sum of its proper divisors (103413300).

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

57451740 is a wasteful number, since it uses less digits than its factorization.

57451740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957541 (or 957539 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 57451740 is about 7579.6926059043. The cubic root of 57451740 is about 385.8641185478.

The spelling of 57451740 in words is "fifty-seven million, four hundred fifty-one thousand, seven hundred forty".