55839580415 has 32 divisors (see below), whose sum is σ = 71213022720. Its totient is φ = 41915090304.

The previous prime is 55839580411. The next prime is 55839580421. The reversal of 55839580415 is 51408593855.

It is a Cunningham number, because it is equal to 236304²-1.

It is a cyclic number.

It is not a de Polignac number, because 55839580415 - 2² = 55839580411 is a prime.

It is a super-3 number, since 3×55839580415³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55839580411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4483577 + ... + 4496013.

It is an arithmetic number, because the mean of its divisors is an integer number (2225406960).

Almost surely, 2^55839580415 is an apocalyptic number.

55839580415 is a deficient number, since it is larger than the sum of its proper divisors (15373442305).

55839580415 is a wasteful number, since it uses less digits than its factorization.

55839580415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12911.

The product of its (nonzero) digits is 4320000, while the sum is 53.

The spelling of 55839580415 in words is "fifty-five billion, eight hundred thirty-nine million, five hundred eighty thousand, four hundred fifteen".