5312551320 has 64 divisors (see below), whose sum is σ = 17708508000. Its totient is φ = 1416680064.

The previous prime is 5312551271. The next prime is 5312551333. The reversal of 5312551320 is 231552135.

It is a happy number.

5312551320 is a `hidden beast` number, since 5 + 3 + 125 + 513 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 2458435 + ... + 2460594.

Almost surely, 2^5312551320 is an apocalyptic number.

It is an amenable number.

5312551320 is an abundant number, since it is smaller than the sum of its proper divisors (12395956680).

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

5312551320 is a wasteful number, since it uses less digits than its factorization.

5312551320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4919049 (or 4919039 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 5312551320 is about 72887.2507370116. The cubic root of 5312551320 is about 1744.8886303693. Note that the first 3 decimals are identical.

The spelling of 5312551320 in words is "five billion, three hundred twelve million, five hundred fifty-one thousand, three hundred twenty".