55025300280505 has 16 divisors (see below), whose sum is σ = 67022138718720. Its totient is φ = 43359177197952.

The previous prime is 55025300280491. The next prime is 55025300280551. The reversal of 55025300280505 is 50508200352055.

It is a cyclic number.

It is not a de Polignac number, because 55025300280505 - 2³³ = 55016710345913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4060489 + ... + 11248918.

It is an arithmetic number, because the mean of its divisors is an integer number (4188883669920).

Almost surely, 2^{55025300280505} is an apocalyptic number.

It is an amenable number.

55025300280505 is a deficient number, since it is larger than the sum of its proper divisors (11996838438215).

55025300280505 is a wasteful number, since it uses less digits than its factorization.

55025300280505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15320208.

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 55025300280505 in words is "fifty-five trillion, twenty-five billion, three hundred million, two hundred eighty thousand, five hundred five".