5391231500 has 24 divisors (see below), whose sum is σ = 11774450688. Its totient is φ = 2156492400.

The previous prime is 5391231493. The next prime is 5391231541. The reversal of 5391231500 is 51321935.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5390732 + ... + 5391731.

It is an arithmetic number, because the mean of its divisors is an integer number (490602112).

Almost surely, 2^5391231500 is an apocalyptic number.

5391231500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5391231500 is an abundant number, since it is smaller than the sum of its proper divisors (6383219188).

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

5391231500 is a wasteful number, since it uses less digits than its factorization.

5391231500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10782482 (or 10782470 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 5391231500 is about 73425.0059584608. The cubic root of 5391231500 is about 1753.4605266422.

The spelling of 5391231500 in words is "five billion, three hundred ninety-one million, two hundred thirty-one thousand, five hundred".