55055000500509 has 32 divisors (see below), whose sum is σ = 76003762406400. Its totient is φ = 35406989112320.

The previous prime is 55055000500481. The next prime is 55055000500517. The reversal of 55055000500509 is 90500500055055.

It is a cyclic number.

It is not a de Polignac number, because 55055000500509 - 2³⁹ = 54505244686621 is a prime.

It is a super-2 number, since 2×55055000500509² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055000500579) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 795316519 + ... + 795385739.

It is an arithmetic number, because the mean of its divisors is an integer number (2375117575200).

Almost surely, 2^{55055000500509} is an apocalyptic number.

It is an amenable number.

55055000500509 is a deficient number, since it is larger than the sum of its proper divisors (20948761905891).

55055000500509 is a wasteful number, since it uses less digits than its factorization.

55055000500509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77045.

The product of its (nonzero) digits is 140625, while the sum is 39.

The spelling of 55055000500509 in words is "fifty-five trillion, fifty-five billion, five hundred thousand, five hundred nine".