57616940 has 48 divisors (see below), whose sum is σ = 124679520. Its totient is φ = 22356480.

The previous prime is 57616907. The next prime is 57616943. The reversal of 57616940 is 4961675.

It is a junction number, because it is equal to n+sod(n) for n = 57616894 and 57616903.

It is not an unprimeable number, because it can be changed into a prime (57616943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100976 + ... + 101544.

It is an arithmetic number, because the mean of its divisors is an integer number (2597490).

Almost surely, 2^57616940 is an apocalyptic number.

It is an amenable number.

57616940 is an abundant number, since it is smaller than the sum of its proper divisors (67062580).

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

57616940 is a wasteful number, since it uses less digits than its factorization.

57616940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 57616940 is about 7590.5823228524. The cubic root of 57616940 is about 386.2336098309.

The spelling of 57616940 in words is "fifty-seven million, six hundred sixteen thousand, nine hundred forty".