55933138527 has 48 divisors (see below), whose sum is σ = 87480207360. Its totient is φ = 31695185088.

The previous prime is 55933138511. The next prime is 55933138529. The reversal of 55933138527 is 72583133955.

It is a happy number.

It is not a de Polignac number, because 55933138527 - 2⁴ = 55933138511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55933138527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55933138529) 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, 8814918 + ... + 8821260.

It is an arithmetic number, because the mean of its divisors is an integer number (1822504320).

Almost surely, 2^55933138527 is an apocalyptic number.

55933138527 is a deficient number, since it is larger than the sum of its proper divisors (31547068833).

55933138527 is a wasteful number, since it uses less digits than its factorization.

55933138527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6852 (or 6845 counting only the distinct ones).

The product of its digits is 3402000, while the sum is 51.

The spelling of 55933138527 in words is "fifty-five billion, nine hundred thirty-three million, one hundred thirty-eight thousand, five hundred twenty-seven".