57331330 has 32 divisors (see below), whose sum is σ = 118304640. Its totient is φ = 19595520.

The previous prime is 57331321. The next prime is 57331331. The reversal of 57331330 is 3313375.

57331330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 57331295 and 57331304.

It is not an unprimeable number, because it can be changed into a prime (57331331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25450 + ... + 27610.

It is an arithmetic number, because the mean of its divisors is an integer number (3697020).

Almost surely, 2^57331330 is an apocalyptic number.

57331330 is an abundant number, since it is smaller than the sum of its proper divisors (60973310).

57331330 is a wasteful number, since it uses less digits than its factorization.

57331330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554.

The product of its (nonzero) digits is 2835, while the sum is 25.

The square root of 57331330 is about 7571.7455054961. The cubic root of 57331330 is about 385.5943594111.

The spelling of 57331330 in words is "fifty-seven million, three hundred thirty-one thousand, three hundred thirty".