57650530 has 64 divisors (see below), whose sum is σ = 123171840. Its totient is φ = 19018944.

The previous prime is 57650479. The next prime is 57650533. The reversal of 57650530 is 3505675.

It is a junction number, because it is equal to n+sod(n) for n = 57650492 and 57650501.

It is not an unprimeable number, because it can be changed into a prime (57650533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321981 + ... + 322159.

It is an arithmetic number, because the mean of its divisors is an integer number (1924560).

Almost surely, 2^57650530 is an apocalyptic number.

57650530 is an abundant number, since it is smaller than the sum of its proper divisors (65521310).

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

57650530 is a wasteful number, since it uses less digits than its factorization.

57650530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 57650530 is about 7592.7946106819. The cubic root of 57650530 is about 386.3086518042.

The spelling of 57650530 in words is "fifty-seven million, six hundred fifty thousand, five hundred thirty".