56242302728 has 32 divisors (see below), whose sum is σ = 105936044160. Its totient is φ = 27992986560.

The previous prime is 56242302643. The next prime is 56242302749. The reversal of 56242302728 is 82720324265.

It is a super-2 number, since 2×56242302728² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1541351 + ... + 1577417.

It is an arithmetic number, because the mean of its divisors is an integer number (3310501380).

Almost surely, 2^56242302728 is an apocalyptic number.

It is an amenable number.

56242302728 is a deficient number, since it is larger than the sum of its proper divisors (49693741432).

56242302728 is a wasteful number, since it uses less digits than its factorization.

56242302728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36957 (or 36953 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 56242302728 in words is "fifty-six billion, two hundred forty-two million, three hundred two thousand, seven hundred twenty-eight".