55500539291 has 4 divisors (see below), whose sum is σ = 55510924392. Its totient is φ = 55490154192.

The previous prime is 55500539243. The next prime is 55500539293. The reversal of 55500539291 is 19293500555.

55500539291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55500539291 - 2³⁴ = 38320670107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55500539293) 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, 5184530 + ... + 5195223.

It is an arithmetic number, because the mean of its divisors is an integer number (13877731098).

Almost surely, 2^55500539291 is an apocalyptic number.

55500539291 is a deficient number, since it is larger than the sum of its proper divisors (10385101).

55500539291 is a wasteful number, since it uses less digits than its factorization.

55500539291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10385100.

The product of its (nonzero) digits is 303750, while the sum is 44.

The spelling of 55500539291 in words is "fifty-five billion, five hundred million, five hundred thirty-nine thousand, two hundred ninety-one".