57125642 has 8 divisors (see below), whose sum is σ = 97929696. Its totient is φ = 24482412.

The previous prime is 57125641. The next prime is 57125657. The reversal of 57125642 is 24652175.

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 = 57125599 and 57125608.

It is not an unprimeable number, because it can be changed into a prime (57125641) 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, 2040188 + ... + 2040215.

It is an arithmetic number, because the mean of its divisors is an integer number (12241212).

Almost surely, 2^57125642 is an apocalyptic number.

57125642 is a deficient number, since it is larger than the sum of its proper divisors (40804054).

57125642 is a wasteful number, since it uses less digits than its factorization.

57125642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080412.

The product of its digits is 16800, while the sum is 32.

The square root of 57125642 is about 7558.1506997413. The cubic root of 57125642 is about 385.1326736763.

The spelling of 57125642 in words is "fifty-seven million, one hundred twenty-five thousand, six hundred forty-two".