56257642 has 8 divisors (see below), whose sum is σ = 96441696. Its totient is φ = 24110412.

The previous prime is 56257639. The next prime is 56257661. The reversal of 56257642 is 24675265.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009188 + ... + 2009215.

It is an arithmetic number, because the mean of its divisors is an integer number (12055212).

Almost surely, 2^56257642 is an apocalyptic number.

56257642 is a deficient number, since it is larger than the sum of its proper divisors (40184054).

56257642 is a wasteful number, since it uses less digits than its factorization.

56257642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018412.

The product of its digits is 100800, while the sum is 37.

The square root of 56257642 is about 7500.5094493641. The cubic root of 56257642 is about 383.1720669272.

The spelling of 56257642 in words is "fifty-six million, two hundred fifty-seven thousand, six hundred forty-two".