5312660544 has 63 divisors (see below), whose sum is σ = 15232797957. Its totient is φ = 1770303744.

The previous prime is 5312660533. The next prime is 5312660569. The reversal of 5312660544 is 4450662135.

The square root of 5312660544 is 72888.

It is a perfect power (a square), and thus also a powerful number.

5312660544 is a `hidden beast` number, since 5 + 3 + 1 + 2 + 6 + 605 + 44 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4499726400 + 812934144 = 67080^2 + 28512^2 .

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 = 5312660499 and 5312660508.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1747794 + ... + 1750830.

Almost surely, 2^5312660544 is an apocalyptic number.

5312660544 is the 72888-th square number.

It is an amenable number.

5312660544 is an abundant number, since it is smaller than the sum of its proper divisors (9920137413).

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

5312660544 is an frugal number, since it uses more digits than its factorization.

5312660544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6092 (or 3042 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The cubic root of 5312660544 is about 1744.9005883657.

Multiplying 5312660544 by its sum of digits (36), we get a square (191255779584 = 437328²).

5312660544 divided by its sum of digits (36) gives a square (147573904 = 12148²).

It can be divided in two parts, 5312 and 660544, that added together give a square (665856 = 816²).

The spelling of 5312660544 in words is "five billion, three hundred twelve million, six hundred sixty thousand, five hundred forty-four".