5221615455 has 32 divisors (see below), whose sum is σ = 10608998400. Its totient is φ = 2387023776.

The previous prime is 5221615391. The next prime is 5221615471. The reversal of 5221615455 is 5545161225.

5221615455 is a `hidden beast` number, since 52 + 2 + 1 + 61 + 545 + 5 = 666.

It is not a de Polignac number, because 5221615455 - 2⁶ = 5221615391 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2761815 + ... + 2763704.

It is an arithmetic number, because the mean of its divisors is an integer number (331531200).

Almost surely, 2^5221615455 is an apocalyptic number.

5221615455 is an abundant number, since it is smaller than the sum of its proper divisors (5387382945).

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

5221615455 is a wasteful number, since it uses less digits than its factorization.

5221615455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525540 (or 5525534 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 5221615455 is about 72260.7462942364. The cubic root of 5221615455 is about 1734.8754245087.

The spelling of 5221615455 in words is "five billion, two hundred twenty-one million, six hundred fifteen thousand, four hundred fifty-five".