55770671598 has 24 divisors (see below), whose sum is σ = 113965084392. Its totient is φ = 18194682864.

The previous prime is 55770671591. The next prime is 55770671599. The reversal of 55770671598 is 89517607755.

It is a happy number.

It is a super-2 number, since 2×55770671598² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55770671591) 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, 2090665 + ... + 2117172.

It is an arithmetic number, because the mean of its divisors is an integer number (4748545183).

Almost surely, 2^55770671598 is an apocalyptic number.

55770671598 is an abundant number, since it is smaller than the sum of its proper divisors (58194412794).

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

55770671598 is a wasteful number, since it uses less digits than its factorization.

55770671598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207936 (or 4207889 counting only the distinct ones).

The product of its (nonzero) digits is 18522000, while the sum is 60.

The spelling of 55770671598 in words is "fifty-five billion, seven hundred seventy million, six hundred seventy-one thousand, five hundred ninety-eight".