55111624124 has 12 divisors (see below), whose sum is σ = 101521413000. Its totient is φ = 26105506128.

The previous prime is 55111624123. The next prime is 55111624159. The reversal of 55111624124 is 42142611155.

It is a happy number.

It is a super-2 number, since 2×55111624124² (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 (55111624123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362576399 + ... + 362576550.

It is an arithmetic number, because the mean of its divisors is an integer number (8460117750).

Almost surely, 2^55111624124 is an apocalyptic number.

It is an amenable number.

55111624124 is a deficient number, since it is larger than the sum of its proper divisors (46409788876).

55111624124 is a wasteful number, since it uses less digits than its factorization.

55111624124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725152972 (or 725152970 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The spelling of 55111624124 in words is "fifty-five billion, one hundred eleven million, six hundred twenty-four thousand, one hundred twenty-four".