55516475139 has 16 divisors (see below), whose sum is σ = 75437395200. Its totient is φ = 36303617376.

The previous prime is 55516475111. The next prime is 55516475143. The reversal of 55516475139 is 93157461555.

It is a happy number.

It is not a de Polignac number, because 55516475139 - 2¹¹ = 55516473091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55516475091 and 55516475100.

It is not an unprimeable number, because it can be changed into a prime (55516475149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629442 + ... + 712200.

It is an arithmetic number, because the mean of its divisors is an integer number (4714837200).

Almost surely, 2^55516475139 is an apocalyptic number.

55516475139 is a deficient number, since it is larger than the sum of its proper divisors (19920920061).

55516475139 is a wasteful number, since it uses less digits than its factorization.

55516475139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87034.

The product of its digits is 2835000, while the sum is 51.

The spelling of 55516475139 in words is "fifty-five billion, five hundred sixteen million, four hundred seventy-five thousand, one hundred thirty-nine".