55997975835 has 96 divisors (see below), whose sum is σ = 102345804288. Its totient is φ = 29367152640.

The previous prime is 55997975833. The next prime is 55997975837. The reversal of 55997975835 is 53857979955.

It is an interprime number because it is at equal distance from previous prime (55997975833) and next prime (55997975837).

It is not a de Polignac number, because 55997975835 - 2¹ = 55997975833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55997975833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 48566619 + ... + 48567771.

It is an arithmetic number, because the mean of its divisors is an integer number (1066102128).

Almost surely, 2^55997975835 is an apocalyptic number.

55997975835 is a deficient number, since it is larger than the sum of its proper divisors (46347828453).

55997975835 is a wasteful number, since it uses less digits than its factorization.

55997975835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807 (or 1795 counting only the distinct ones).

The product of its digits is 535815000, while the sum is 72.

The spelling of 55997975835 in words is "fifty-five billion, nine hundred ninety-seven million, nine hundred seventy-five thousand, eight hundred thirty-five".