55751372613 has 48 divisors (see below), whose sum is σ = 82898337600. Its totient is φ = 36092770560.

The previous prime is 55751372603. The next prime is 55751372617. The reversal of 55751372613 is 31627315755.

55751372613 is a `hidden beast` number, since 5 + 5 + 7 + 513 + 72 + 61 + 3 = 666.

It is not a de Polignac number, because 55751372613 - 2⁴ = 55751372597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55751372617) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20338423 + ... + 20341163.

It is an arithmetic number, because the mean of its divisors is an integer number (1727048700).

Almost surely, 2^55751372613 is an apocalyptic number.

It is an amenable number.

55751372613 is a deficient number, since it is larger than the sum of its proper divisors (27146964987).

55751372613 is a wasteful number, since it uses less digits than its factorization.

55751372613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282 (or 3279 counting only the distinct ones).

The product of its digits is 661500, while the sum is 45.

The spelling of 55751372613 in words is "fifty-five billion, seven hundred fifty-one million, three hundred seventy-two thousand, six hundred thirteen".