57115742 has 8 divisors (see below), whose sum is σ = 86032800. Its totient is φ = 28438144.

The previous prime is 57115741. The next prime is 57115757. The reversal of 57115742 is 24751175.

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

It is a junction number, because it is equal to n+sod(n) for n = 57115699 and 57115708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57115741) 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, 59267 + ... + 60222.

It is an arithmetic number, because the mean of its divisors is an integer number (10754100).

Almost surely, 2^57115742 is an apocalyptic number.

57115742 is a deficient number, since it is larger than the sum of its proper divisors (28917058).

57115742 is a wasteful number, since it uses less digits than its factorization.

57115742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119730.

The product of its digits is 9800, while the sum is 32.

The square root of 57115742 is about 7557.4957492545. The cubic root of 57115742 is about 385.1104242765.

The spelling of 57115742 in words is "fifty-seven million, one hundred fifteen thousand, seven hundred forty-two".