55505051499 has 8 divisors (see below), whose sum is σ = 76006917520. Its totient is φ = 36003276576.

The previous prime is 55505051453. The next prime is 55505051509. The reversal of 55505051499 is 99415050555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55505051499 - 2⁸ = 55505051243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55505001499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250022644 + ... + 250022865.

It is an arithmetic number, because the mean of its divisors is an integer number (9500864690).

Almost surely, 2^55505051499 is an apocalyptic number.

55505051499 is a deficient number, since it is larger than the sum of its proper divisors (20501866021).

55505051499 is a wasteful number, since it uses less digits than its factorization.

55505051499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500045549.

The product of its (nonzero) digits is 1012500, while the sum is 48.

The spelling of 55505051499 in words is "fifty-five billion, five hundred five million, fifty-one thousand, four hundred ninety-nine".