55124112120 has 192 divisors, whose sum is σ = 209860502400. Its totient is φ = 11454347520.

The previous prime is 55124112101. The next prime is 55124112133. The reversal of 55124112120 is 2121142155.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 361450 + ... + 490809.

It is an arithmetic number, because the mean of its divisors is an integer number (1093023450).

Almost surely, 2^55124112120 is an apocalyptic number.

It is an amenable number.

55124112120 is an abundant number, since it is smaller than the sum of its proper divisors (154736390280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55124112120 is a wasteful number, since it uses less digits than its factorization.

55124112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852298 (or 852287 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 55124112120 its reverse (2121142155), we get a palindrome (57245254275).

The spelling of 55124112120 in words is "fifty-five billion, one hundred twenty-four million, one hundred twelve thousand, one hundred twenty".