56199139756690 has 64 divisors (see below), whose sum is σ = 116810552107008. Its totient is φ = 19068884352000.

The previous prime is 56199139756679. The next prime is 56199139756703. The reversal of 56199139756690 is 9665793199165.

It is a super-2 number, since 2×56199139756690² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4317421 + ... + 11447200.

It is an arithmetic number, because the mean of its divisors is an integer number (1825164876672).

Almost surely, 2^{56199139756690} is an apocalyptic number.

56199139756690 is an abundant number, since it is smaller than the sum of its proper divisors (60611412350318).

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

56199139756690 is a wasteful number, since it uses less digits than its factorization.

56199139756690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15765163.

The product of its (nonzero) digits is 744017400, while the sum is 76.

The spelling of 56199139756690 in words is "fifty-six trillion, one hundred ninety-nine billion, one hundred thirty-nine million, seven hundred fifty-six thousand, six hundred ninety".