55241641631 has 4 divisors (see below), whose sum is σ = 60263609064. Its totient is φ = 50219674200.

The previous prime is 55241641589. The next prime is 55241641669. The reversal of 55241641631 is 13614614255.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55241641631 is a prime.

It is a super-2 number, since 2×55241641631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55241641681) 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, 2510983700 + ... + 2510983721.

It is an arithmetic number, because the mean of its divisors is an integer number (15065902266).

Almost surely, 2^55241641631 is an apocalyptic number.

55241641631 is a deficient number, since it is larger than the sum of its proper divisors (5021967433).

55241641631 is a wasteful number, since it uses less digits than its factorization.

55241641631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021967432.

The product of its digits is 86400, while the sum is 38.

The spelling of 55241641631 in words is "fifty-five billion, two hundred forty-one million, six hundred forty-one thousand, six hundred thirty-one".