56998491827 has 8 divisors (see below), whose sum is σ = 57052706256. Its totient is φ = 56944304352.

The previous prime is 56998491791. The next prime is 56998491829. The reversal of 56998491827 is 72819489965.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56998491827 - 2⁶ = 56998491763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56998491829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8906993 + ... + 8913389.

It is an arithmetic number, because the mean of its divisors is an integer number (7131588282).

Almost surely, 2^56998491827 is an apocalyptic number.

56998491827 is a deficient number, since it is larger than the sum of its proper divisors (54214429).

56998491827 is a wasteful number, since it uses less digits than its factorization.

56998491827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13477.

The product of its digits is 78382080, while the sum is 68.

The spelling of 56998491827 in words is "fifty-six billion, nine hundred ninety-eight million, four hundred ninety-one thousand, eight hundred twenty-seven".