55569836839 has 16 divisors (see below), whose sum is σ = 61221756960. Its totient is φ = 50019842560.

The previous prime is 55569836713. The next prime is 55569836857. The reversal of 55569836839 is 93863896555.

55569836839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55569836839 - 2¹³ = 55569828647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55569836879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538827 + ... + 633619.

It is an arithmetic number, because the mean of its divisors is an integer number (3826359810).

Almost surely, 2^55569836839 is an apocalyptic number.

55569836839 is a deficient number, since it is larger than the sum of its proper divisors (5651920121).

55569836839 is a wasteful number, since it uses less digits than its factorization.

55569836839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95330.

The product of its digits is 209952000, while the sum is 67.

The spelling of 55569836839 in words is "fifty-five billion, five hundred sixty-nine million, eight hundred thirty-six thousand, eight hundred thirty-nine".