655550505104 has 40 divisors (see below), whose sum is σ = 1385696220480. Its totient is φ = 297955817600.

The previous prime is 655550505101. The next prime is 655550505119. The reversal of 655550505104 is 401505055556.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (655550505101) 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, 2427074 + ... + 2683614.

It is an arithmetic number, because the mean of its divisors is an integer number (34642405512).

Almost surely, 2^655550505104 is an apocalyptic number.

It is an amenable number.

655550505104 is an abundant number, since it is smaller than the sum of its proper divisors (730145715376).

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

655550505104 is a wasteful number, since it uses less digits than its factorization.

655550505104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271079 (or 271073 counting only the distinct ones).

The product of its (nonzero) digits is 375000, while the sum is 41.

The spelling of 655550505104 in words is "six hundred fifty-five billion, five hundred fifty million, five hundred five thousand, one hundred four".