55241505631 has 8 divisors (see below), whose sum is σ = 59746181040. Its totient is φ = 50773305792.

The previous prime is 55241505617. The next prime is 55241505689. The reversal of 55241505631 is 13650514255.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55241505631 - 2⁷ = 55241505503 is a prime.

It is a super-2 number, since 2×55241505631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55241505691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9115741 + ... + 9121798.

It is an arithmetic number, because the mean of its divisors is an integer number (7468272630).

Almost surely, 2^55241505631 is an apocalyptic number.

55241505631 is a deficient number, since it is larger than the sum of its proper divisors (4504675409).

55241505631 is a wasteful number, since it uses less digits than its factorization.

55241505631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18237785.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 55241505631 in words is "fifty-five billion, two hundred forty-one million, five hundred five thousand, six hundred thirty-one".