5391288450 has 48 divisors (see below), whose sum is σ = 14855998560. Its totient is φ = 1437676560.

The previous prime is 5391288401. The next prime is 5391288473. The reversal of 5391288450 is 548821935.

It is a super-2 number, since 2×5391288450² = 58131982302206805000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 5391288396 and 5391288405.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1995424 + ... + 1998123.

It is an arithmetic number, because the mean of its divisors is an integer number (309499970).

Almost surely, 2^5391288450 is an apocalyptic number.

5391288450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5391288450 is an abundant number, since it is smaller than the sum of its proper divisors (9464710110).

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

5391288450 is a wasteful number, since it uses less digits than its factorization.

5391288450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993568 (or 3993557 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 5391288450 is about 73425.3937680963. The cubic root of 5391288450 is about 1753.4667008175.

The spelling of 5391288450 in words is "five billion, three hundred ninety-one million, two hundred eighty-eight thousand, four hundred fifty".