56128942 has 8 divisors (see below), whose sum is σ = 85620600. Its totient is φ = 27588744.

The previous prime is 56128939. The next prime is 56128973. The reversal of 56128942 is 24982165.

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

It is a congruent number.

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, 237717 + ... + 237952.

It is an arithmetic number, because the mean of its divisors is an integer number (10702575).

Almost surely, 2^56128942 is an apocalyptic number.

56128942 is a deficient number, since it is larger than the sum of its proper divisors (29491658).

56128942 is a wasteful number, since it uses less digits than its factorization.

56128942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475730.

The product of its digits is 34560, while the sum is 37.

The square root of 56128942 is about 7491.9251197539. The cubic root of 56128942 is about 382.8796509617.

The spelling of 56128942 in words is "fifty-six million, one hundred twenty-eight thousand, nine hundred forty-two".