56117100490 has 24 divisors (see below), whose sum is σ = 111028381380. Its totient is φ = 20406217920.

The previous prime is 56117100461. The next prime is 56117100497. The reversal of 56117100490 is 9400171165.

It can be written as a sum of positive squares in 2 ways, for example, as 50005457161 + 6111643329 = 223619^2 + 78177^2 .

It is not an unprimeable number, because it can be changed into a prime (56117100497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23187675 + ... + 23190094.

Almost surely, 2^56117100490 is an apocalyptic number.

56117100490 is a deficient number, since it is larger than the sum of its proper divisors (54911280890).

56117100490 is a wasteful number, since it uses less digits than its factorization.

56117100490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46377798 (or 46377787 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 56117100490 in words is "fifty-six billion, one hundred seventeen million, one hundred thousand, four hundred ninety".