553898987915 has 64 divisors (see below), whose sum is σ = 826576724736. Its totient is φ = 346962051072.

The previous prime is 553898987911. The next prime is 553898987927. The reversal of 553898987915 is 519789898355.

It is not a de Polignac number, because 553898987915 - 2² = 553898987911 is a prime.

It is a super-2 number, since 2×553898987915² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (553898987911) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34799999 + ... + 34815911.

It is an arithmetic number, because the mean of its divisors is an integer number (12915261324).

Almost surely, 2^553898987915 is an apocalyptic number.

553898987915 is a deficient number, since it is larger than the sum of its proper divisors (272677736821).

553898987915 is a wasteful number, since it uses less digits than its factorization.

553898987915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16728.

The product of its digits is 979776000, while the sum is 77.

The spelling of 553898987915 in words is "five hundred fifty-three billion, eight hundred ninety-eight million, nine hundred eighty-seven thousand, nine hundred fifteen".