55424145231 has 48 divisors (see below), whose sum is σ = 98882871360. Its totient is φ = 29130554880.

The previous prime is 55424145223. The next prime is 55424145269. The reversal of 55424145231 is 13254142455.

55424145231 is a `hidden beast` number, since 5 + 5 + 4 + 2 + 414 + 5 + 231 = 666.

It is not a de Polignac number, because 55424145231 - 2³ = 55424145223 is a prime.

It is a super-2 number, since 2×55424145231² (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 (55424145431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109725 + ... + 350553.

It is an arithmetic number, because the mean of its divisors is an integer number (2060059820).

Almost surely, 2^55424145231 is an apocalyptic number.

55424145231 is a deficient number, since it is larger than the sum of its proper divisors (43458726129).

55424145231 is a wasteful number, since it uses less digits than its factorization.

55424145231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241136 (or 241133 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

Adding to 55424145231 its reverse (13254142455), we get a palindrome (68678287686).

The spelling of 55424145231 in words is "fifty-five billion, four hundred twenty-four million, one hundred forty-five thousand, two hundred thirty-one".