56220742 has 8 divisors (see below), whose sum is σ = 86125536. Its totient is φ = 27512232.

The previous prime is 56220733. The next prime is 56220743. The reversal of 56220742 is 24702265.

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

It is a self number, because there is not a number n which added to its sum of digits gives 56220742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56220743) 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, 298953 + ... + 299140.

It is an arithmetic number, because the mean of its divisors is an integer number (10765692).

Almost surely, 2^56220742 is an apocalyptic number.

56220742 is a deficient number, since it is larger than the sum of its proper divisors (29904794).

56220742 is a wasteful number, since it uses less digits than its factorization.

56220742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598142.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 56220742 is about 7498.0492129620. The cubic root of 56220742 is about 383.0882730270.

The spelling of 56220742 in words is "fifty-six million, two hundred twenty thousand, seven hundred forty-two".