5318557972 has 24 divisors (see below), whose sum is σ = 11455356416. Its totient is φ = 2104044768.

The previous prime is 5318557969. The next prime is 5318557999. The reversal of 5318557972 is 2797558135.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

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, 7305348 + ... + 7306075.

Almost surely, 2^5318557972 is an apocalyptic number.

5318557972 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5318557972 is an abundant number, since it is smaller than the sum of its proper divisors (6136798444).

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

5318557972 is a wasteful number, since it uses less digits than its factorization.

5318557972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14611447 (or 14611445 counting only the distinct ones).

The product of its digits is 2646000, while the sum is 52.

The square root of 5318557972 is about 72928.4441901786. Note that the first 3 decimals coincide. The cubic root of 5318557972 is about 1745.5460038563.

The spelling of 5318557972 in words is "five billion, three hundred eighteen million, five hundred fifty-seven thousand, nine hundred seventy-two".