55993598613 has 12 divisors (see below), whose sum is σ = 81664883040. Its totient is φ = 36966647016.

The previous prime is 55993598603. The next prime is 55993598621. The reversal of 55993598613 is 31689539955.

55993598613 is a `hidden beast` number, since 5 + 5 + 9 + 9 + 3 + 5 + 9 + 8 + 613 = 666.

It is not a de Polignac number, because 55993598613 - 2²² = 55989404309 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55993598603) 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, 30200583 + ... + 30202436.

It is an arithmetic number, because the mean of its divisors is an integer number (6805406920).

Almost surely, 2^55993598613 is an apocalyptic number.

It is an amenable number.

55993598613 is a deficient number, since it is larger than the sum of its proper divisors (25671284427).

55993598613 is a wasteful number, since it uses less digits than its factorization.

55993598613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60403128 (or 60403125 counting only the distinct ones).

The product of its digits is 39366000, while the sum is 63.

The spelling of 55993598613 in words is "fifty-five billion, nine hundred ninety-three million, five hundred ninety-eight thousand, six hundred thirteen".