57102938 has 8 divisors (see below), whose sum is σ = 86738880. Its totient is φ = 28189980.

The previous prime is 57102937. The next prime is 57102953. The reversal of 57102938 is 83920175.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57102898 and 57102907.

It is not an unprimeable number, because it can be changed into a prime (57102931) 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, 180548 + ... + 180863.

It is an arithmetic number, because the mean of its divisors is an integer number (10842360).

Almost surely, 2^57102938 is an apocalyptic number.

57102938 is a deficient number, since it is larger than the sum of its proper divisors (29635942).

57102938 is a wasteful number, since it uses less digits than its factorization.

57102938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361492.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 57102938 is about 7556.6485957731. The cubic root of 57102938 is about 385.0816445728.

The spelling of 57102938 in words is "fifty-seven million, one hundred two thousand, nine hundred thirty-eight".