55500500505507 has 8 divisors (see below), whose sum is σ = 74096399125584. Its totient is φ = 36952467777888.

The previous prime is 55500500505497. The next prime is 55500500505523. The reversal of 55500500505507 is 70550500500555.

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

It is not a de Polignac number, because 55500500505507 - 2⁴ = 55500500505491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55500500505577) 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, 11966470408 + ... + 11966475045.

It is an arithmetic number, because the mean of its divisors is an integer number (9262049890698).

Almost surely, 2^{55500500505507} is an apocalyptic number.

55500500505507 is a deficient number, since it is larger than the sum of its proper divisors (18595898620077).

55500500505507 is a wasteful number, since it uses less digits than its factorization.

55500500505507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23932946229.

The product of its (nonzero) digits is 546875, while the sum is 42.

The spelling of 55500500505507 in words is "fifty-five trillion, five hundred billion, five hundred million, five hundred five thousand, five hundred seven".