57785382 has 24 divisors (see below), whose sum is σ = 125621496. Its totient is φ = 19197216.

The previous prime is 57785353. The next prime is 57785383. The reversal of 57785382 is 28358775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57785383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 298 + ... + 10754.

It is an arithmetic number, because the mean of its divisors is an integer number (5234229).

Almost surely, 2^57785382 is an apocalyptic number.

57785382 is an abundant number, since it is smaller than the sum of its proper divisors (67836114).

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

57785382 is a wasteful number, since it uses less digits than its factorization.

57785382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10772 (or 10769 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 57785382 is about 7601.6696850100. The cubic root of 57785382 is about 386.6096257845.

The spelling of 57785382 in words is "fifty-seven million, seven hundred eighty-five thousand, three hundred eighty-two".