57969138 has 8 divisors (see below), whose sum is σ = 115938288. Its totient is φ = 19323044.

The previous prime is 57969127. The next prime is 57969139. The reversal of 57969138 is 83196975.

It is a sphenic number, since it is the product of 3 distinct primes.

57969138 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (57969139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4830756 + ... + 4830767.

It is an arithmetic number, because the mean of its divisors is an integer number (14492286).

Almost surely, 2^57969138 is an apocalyptic number.

57969138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57969138 is a wasteful number, since it uses less digits than its factorization.

57969138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9661528.

The product of its digits is 408240, while the sum is 48.

The square root of 57969138 is about 7613.7466466911. The cubic root of 57969138 is about 387.0189949880.

The spelling of 57969138 in words is "fifty-seven million, nine hundred sixty-nine thousand, one hundred thirty-eight".