57723380 has 48 divisors (see below), whose sum is σ = 142418304. Its totient is φ = 19374720.

The previous prime is 57723377. The next prime is 57723389. The reversal of 57723380 is 8332775.

It is a self number, because there is not a number n which added to its sum of digits gives 57723380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57723389) 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, 7232 + ... + 12951.

It is an arithmetic number, because the mean of its divisors is an integer number (2967048).

Almost surely, 2^57723380 is an apocalyptic number.

It is an amenable number.

57723380 is an abundant number, since it is smaller than the sum of its proper divisors (84694924).

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

57723380 is a wasteful number, since it uses less digits than its factorization.

57723380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20216 (or 20214 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 57723380 is about 7597.5904074910. The cubic root of 57723380 is about 386.4713027488.

The spelling of 57723380 in words is "fifty-seven million, seven hundred twenty-three thousand, three hundred eighty".