56500156616020 has 24 divisors (see below), whose sum is σ = 127777277270664. Its totient is φ = 20861596288896.

The previous prime is 56500156616017. The next prime is 56500156616087. The reversal of 56500156616020 is 2061665100565.

It can be written as a sum of positive squares in 4 ways, for example, as 3376539664 + 56496780076356 = 58108^2 + 7516434^2 .

It is a super-4 number, since 4×56500156616020⁴ (a number of 56 digits) contains 4444 as substring.

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, 108654147079 + ... + 108654147598.

It is an arithmetic number, because the mean of its divisors is an integer number (5324053219611).

Almost surely, 2^{56500156616020} is an apocalyptic number.

It is an amenable number.

56500156616020 is an abundant number, since it is smaller than the sum of its proper divisors (71277120654644).

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

56500156616020 is a wasteful number, since it uses less digits than its factorization.

56500156616020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217308294699 (or 217308294697 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 56500156616020 in words is "fifty-six trillion, five hundred billion, one hundred fifty-six million, six hundred sixteen thousand, twenty".