55250055055065 has 64 divisors (see below), whose sum is σ = 95291170490880. Its totient is φ = 27174016788480.

The previous prime is 55250055055057. The next prime is 55250055055087. The reversal of 55250055055065 is 56055055005255.

It is not a de Polignac number, because 55250055055065 - 2³ = 55250055055057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1025381925 + ... + 1025435805.

It is an arithmetic number, because the mean of its divisors is an integer number (1488924538920).

Almost surely, 2^{55250055055065} is an apocalyptic number.

It is an amenable number.

55250055055065 is a deficient number, since it is larger than the sum of its proper divisors (40041115435815).

55250055055065 is a wasteful number, since it uses less digits than its factorization.

55250055055065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58834.

The product of its (nonzero) digits is 4687500, while the sum is 48.

The spelling of 55250055055065 in words is "fifty-five trillion, two hundred fifty billion, fifty-five million, fifty-five thousand, sixty-five".