57328811 has 16 divisors (see below), whose sum is σ = 63825408. Its totient is φ = 51216000.

The previous prime is 57328771. The next prime is 57328813. The reversal of 57328811 is 11882375.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57328811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57328813) 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, 58556 + ... + 59526.

It is an arithmetic number, because the mean of its divisors is an integer number (3989088).

Almost surely, 2^57328811 is an apocalyptic number.

57328811 is a deficient number, since it is larger than the sum of its proper divisors (6496597).

57328811 is a wasteful number, since it uses less digits than its factorization.

57328811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162.

The product of its digits is 13440, while the sum is 35.

The square root of 57328811 is about 7571.5791615752. The cubic root of 57328811 is about 385.5887119672.

The spelling of 57328811 in words is "fifty-seven million, three hundred twenty-eight thousand, eight hundred eleven".