5315215554 has 24 divisors (see below), whose sum is σ = 12563237232. Its totient is φ = 1610671320.

The previous prime is 5315215513. The next prime is 5315215559. The reversal of 5315215554 is 4555125135.

5315215554 is a `hidden beast` number, since 5 + 31 + 521 + 55 + 54 = 666.

It is not an unprimeable number, because it can be changed into a prime (5315215559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13422064 + ... + 13422459.

It is an arithmetic number, because the mean of its divisors is an integer number (523468218).

Almost surely, 2^5315215554 is an apocalyptic number.

5315215554 is an abundant number, since it is smaller than the sum of its proper divisors (7248021678).

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

5315215554 is a wasteful number, since it uses less digits than its factorization.

5315215554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26844542 (or 26844539 counting only the distinct ones).

The product of its digits is 75000, while the sum is 36.

The square root of 5315215554 is about 72905.5248523732. The cubic root of 5315215554 is about 1745.1802676908.

The spelling of 5315215554 in words is "five billion, three hundred fifteen million, two hundred fifteen thousand, five hundred fifty-four".