57346540 has 12 divisors (see below), whose sum is σ = 120427776. Its totient is φ = 22938608.

The previous prime is 57346529. The next prime is 57346547. The reversal of 57346540 is 4564375.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 57346496 and 57346505.

It is not an unprimeable number, because it can be changed into a prime (57346547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1433644 + ... + 1433683.

It is an arithmetic number, because the mean of its divisors is an integer number (10035648).

Almost surely, 2^57346540 is an apocalyptic number.

It is an amenable number.

57346540 is an abundant number, since it is smaller than the sum of its proper divisors (63081236).

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

57346540 is a wasteful number, since it uses less digits than its factorization.

57346540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867336 (or 2867334 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 57346540 is about 7572.7498308078. The cubic root of 57346540 is about 385.6284557864.

The spelling of 57346540 in words is "fifty-seven million, three hundred forty-six thousand, five hundred forty".