57650740 has 48 divisors (see below), whose sum is σ = 146506752. Its totient is φ = 18602496.

The previous prime is 57650713. The next prime is 57650741. The reversal of 57650740 is 4705675.

57650740 = 307² + 308² + ... + 586².

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 57650696 and 57650705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57650741) 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, 9732 + ... + 14491.

It is an arithmetic number, because the mean of its divisors is an integer number (3052224).

Almost surely, 2^57650740 is an apocalyptic number.

It is an amenable number.

57650740 is an abundant number, since it is smaller than the sum of its proper divisors (88856012).

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

57650740 is a wasteful number, since it uses less digits than its factorization.

57650740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24256 (or 24254 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 57650740 is about 7592.8084395696. The cubic root of 57650740 is about 386.3091208644.

The spelling of 57650740 in words is "fifty-seven million, six hundred fifty thousand, seven hundred forty".