55124689512 has 32 divisors (see below), whose sum is σ = 145064973600. Its totient is φ = 17407796544.

The previous prime is 55124689511. The next prime is 55124689517. The reversal of 55124689512 is 21598642155.

It is not an unprimeable number, because it can be changed into a prime (55124689511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60443283 + ... + 60444194.

It is an arithmetic number, because the mean of its divisors is an integer number (4533280425).

Almost surely, 2^55124689512 is an apocalyptic number.

It is an amenable number.

55124689512 is an abundant number, since it is smaller than the sum of its proper divisors (89940284088).

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

55124689512 is a wasteful number, since it uses less digits than its factorization.

55124689512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120887505 (or 120887501 counting only the distinct ones).

The product of its digits is 864000, while the sum is 48.

The spelling of 55124689512 in words is "fifty-five billion, one hundred twenty-four million, six hundred eighty-nine thousand, five hundred twelve".