55241631 has 6 divisors (see below), whose sum is σ = 79793480. Its totient is φ = 36827748.

The previous prime is 55241623. The next prime is 55241663. The reversal of 55241631 is 13614255.

55241631 is a `hidden beast` number, since 5 + 5 + 24 + 1 + 631 = 666.

It is not a de Polignac number, because 55241631 - 2³ = 55241623 is a prime.

It is a super-2 number, since 2×55241631² = 6103275591080322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55241595 and 55241604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55241671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3068971 + ... + 3068988.

Almost surely, 2^55241631 is an apocalyptic number.

55241631 is a deficient number, since it is larger than the sum of its proper divisors (24551849).

55241631 is a wasteful number, since it uses less digits than its factorization.

55241631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6137965 (or 6137962 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 55241631 is about 7432.4713924777. The cubic root of 55241631 is about 380.8513483788.

Adding to 55241631 its reverse (13614255), we get a palindrome (68855886).

The spelling of 55241631 in words is "fifty-five million, two hundred forty-one thousand, six hundred thirty-one".