56015021652 has 24 divisors (see below), whose sum is σ = 136384401216. Its totient is φ = 17859861888.

The previous prime is 56015021639. The next prime is 56015021663. The reversal of 56015021652 is 25612051065.

It is a congruent number.

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, 101476213 + ... + 101476764.

It is an arithmetic number, because the mean of its divisors is an integer number (5682683384).

Almost surely, 2^56015021652 is an apocalyptic number.

It is an amenable number.

56015021652 is an abundant number, since it is smaller than the sum of its proper divisors (80369379564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56015021652 is a wasteful number, since it uses less digits than its factorization.

56015021652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202953007 (or 202953005 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 56015021652 in words is "fifty-six billion, fifteen million, twenty-one thousand, six hundred fifty-two".