55102223124 has 72 divisors (see below), whose sum is σ = 150644573352. Its totient is φ = 16881730560.

The previous prime is 55102223123. The next prime is 55102223149. The reversal of 55102223124 is 42132220155.

55102223124 is a `hidden beast` number, since 5 + 510 + 2 + 2 + 23 + 124 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1871427600 + 53230795524 = 43260^2 + 230718^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55102223123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143617 + ... + 361704.

It is an arithmetic number, because the mean of its divisors is an integer number (2092285741).

Almost surely, 2^55102223124 is an apocalyptic number.

It is an amenable number.

55102223124 is an abundant number, since it is smaller than the sum of its proper divisors (95542350228).

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

55102223124 is a wasteful number, since it uses less digits than its factorization.

55102223124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505577 (or 505572 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 55102223124 its reverse (42132220155), we get a palindrome (97234443279).

The spelling of 55102223124 in words is "fifty-five billion, one hundred two million, two hundred twenty-three thousand, one hundred twenty-four".