5221555992 has 48 divisors (see below), whose sum is σ = 14442611040. Its totient is φ = 1703485248.

The previous prime is 5221555973. The next prime is 5221556009. The reversal of 5221555992 is 2995551225.

5221555992 is a `hidden beast` number, since 5 + 2 + 2 + 1 + 5 + 559 + 92 = 666.

It is a super-2 number, since 2×5221555992² = 54529293955182208128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 768123 + ... + 774890.

It is an arithmetic number, because the mean of its divisors is an integer number (300887730).

Almost surely, 2^5221555992 is an apocalyptic number.

It is an amenable number.

5221555992 is an abundant number, since it is smaller than the sum of its proper divisors (9221055048).

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

5221555992 is a wasteful number, since it uses less digits than its factorization.

5221555992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543072 (or 1543065 counting only the distinct ones).

The product of its digits is 405000, while the sum is 45.

The square root of 5221555992 is about 72260.3348456122. The cubic root of 5221555992 is about 1734.8688389804.

The spelling of 5221555992 in words is "five billion, two hundred twenty-one million, five hundred fifty-five thousand, nine hundred ninety-two".