5213555244 has 36 divisors (see below), whose sum is σ = 13500144840. Its totient is φ = 1695464640.

The previous prime is 5213555213. The next prime is 5213555287. The reversal of 5213555244 is 4425553125.

5213555244 is a `hidden beast` number, since 52 + 13 + 5 + 552 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5213555199 and 5213555208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1764634 + ... + 1767585.

Almost surely, 2^5213555244 is an apocalyptic number.

It is an amenable number.

5213555244 is an abundant number, since it is smaller than the sum of its proper divisors (8286589596).

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

5213555244 is a wasteful number, since it uses less digits than its factorization.

5213555244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3532270 (or 3532265 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 5213555244 is about 72204.9530434028. The cubic root of 5213555244 is about 1733.9822996800.

The spelling of 5213555244 in words is "five billion, two hundred thirteen million, five hundred fifty-five thousand, two hundred forty-four".