55201000839 has 4 divisors (see below), whose sum is σ = 73601334456. Its totient is φ = 36800667224.

The previous prime is 55201000837. The next prime is 55201000847. The reversal of 55201000839 is 93800010255.

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 55201000839 - 2¹ = 55201000837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55201000837) 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, 9200166804 + ... + 9200166809.

It is an arithmetic number, because the mean of its divisors is an integer number (18400333614).

Almost surely, 2^55201000839 is an apocalyptic number.

55201000839 is a deficient number, since it is larger than the sum of its proper divisors (18400333617).

55201000839 is a wasteful number, since it uses less digits than its factorization.

55201000839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18400333616.

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 55201000839 in words is "fifty-five billion, two hundred one million, eight hundred thirty-nine", and thus it is an aban number.