55553412144 has 40 divisors (see below), whose sum is σ = 143693146800. Its totient is φ = 18494556928.

The previous prime is 55553412139. The next prime is 55553412191. The reversal of 55553412144 is 44121435555.

It is a super-2 number, since 2×55553412144² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687819 + ... + 764330.

It is an arithmetic number, because the mean of its divisors is an integer number (3592328670).

Almost surely, 2^55553412144 is an apocalyptic number.

It is an amenable number.

55553412144 is an abundant number, since it is smaller than the sum of its proper divisors (88139734656).

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

55553412144 is a wasteful number, since it uses less digits than its factorization.

55553412144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452957 (or 1452951 counting only the distinct ones).

The product of its digits is 240000, while the sum is 39.

Adding to 55553412144 its reverse (44121435555), we get a palindrome (99674847699).

The spelling of 55553412144 in words is "fifty-five billion, five hundred fifty-three million, four hundred twelve thousand, one hundred forty-four".