55505055055492 has 24 divisors (see below), whose sum is σ = 111042184881600. Its totient is φ = 23781007572960.

The previous prime is 55505055055487. The next prime is 55505055055501. The reversal of 55505055055492 is 29455055050555.

It is a happy number.

It is a super-2 number, since 2×55505055055492² (a number of 28 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, 286283242 + ... + 286477057.

It is an arithmetic number, because the mean of its divisors is an integer number (4626757703400).

Almost surely, 2^{55505055055492} is an apocalyptic number.

It is an amenable number.

55505055055492 is an abundant number, since it is smaller than the sum of its proper divisors (55537129826108).

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

55505055055492 is a wasteful number, since it uses less digits than its factorization.

55505055055492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572763771 (or 572763769 counting only the distinct ones).

The product of its (nonzero) digits is 28125000, while the sum is 55.

The spelling of 55505055055492 in words is "fifty-five trillion, five hundred five billion, fifty-five million, fifty-five thousand, four hundred ninety-two".