55505025552 has 20 divisors (see below), whose sum is σ = 143387982800. Its totient is φ = 18501675168.

The previous prime is 55505025509. The next prime is 55505025557. The reversal of 55505025552 is 25552050555.

55505025552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55505025552.

It is not an unprimeable number, because it can be changed into a prime (55505025557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578177302 + ... + 578177397.

It is an arithmetic number, because the mean of its divisors is an integer number (7169399140).

Almost surely, 2^55505025552 is an apocalyptic number.

It is an amenable number.

55505025552 is an abundant number, since it is smaller than the sum of its proper divisors (87882957248).

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

55505025552 is a wasteful number, since it uses less digits than its factorization.

55505025552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156354710 (or 1156354704 counting only the distinct ones).

The product of its (nonzero) digits is 312500, while the sum is 39.

The spelling of 55505025552 in words is "fifty-five billion, five hundred five million, twenty-five thousand, five hundred fifty-two".