55091413641 has 32 divisors (see below), whose sum is σ = 81008510976. Its totient is φ = 33024600000.

The previous prime is 55091413633. The next prime is 55091413667. The reversal of 55091413641 is 14631419055.

It is not a de Polignac number, because 55091413641 - 2³ = 55091413633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55091413641.

It is not an unprimeable number, because it can be changed into a prime (55091413441) 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, 3495120 + ... + 3510846.

It is an arithmetic number, because the mean of its divisors is an integer number (2531515968).

Almost surely, 2^55091413641 is an apocalyptic number.

It is an amenable number.

55091413641 is a deficient number, since it is larger than the sum of its proper divisors (25917097335).

55091413641 is a wasteful number, since it uses less digits than its factorization.

55091413641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16893.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 55091413641 in words is "fifty-five billion, ninety-one million, four hundred thirteen thousand, six hundred forty-one".