55502926509 has 4 divisors (see below), whose sum is σ = 74003902016. Its totient is φ = 37001951004.

The previous prime is 55502926477. The next prime is 55502926513. The reversal of 55502926509 is 90562920555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 55502926509 - 2⁵ = 55502926477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55502926529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9250487749 + ... + 9250487754.

It is an arithmetic number, because the mean of its divisors is an integer number (18500975504).

Almost surely, 2^55502926509 is an apocalyptic number.

It is an amenable number.

55502926509 is a deficient number, since it is larger than the sum of its proper divisors (18500975507).

55502926509 is a wasteful number, since it uses less digits than its factorization.

55502926509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18500975506.

The product of its (nonzero) digits is 1215000, while the sum is 48.

The spelling of 55502926509 in words is "fifty-five billion, five hundred two million, nine hundred twenty-six thousand, five hundred nine".