13550313990 has 32 divisors (see below), whose sum is σ = 32623365600. Its totient is φ = 3602015744.

The previous prime is 13550313989. The next prime is 13550314009. The reversal of 13550313990 is 9931305531.

It is a super-2 number, since 2×13550313990² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702915 + ... + 721934.

It is an arithmetic number, because the mean of its divisors is an integer number (1019480175).

Almost surely, 2^13550313990 is an apocalyptic number.

13550313990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13550313990 is an abundant number, since it is smaller than the sum of its proper divisors (19073051610).

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

13550313990 is a wasteful number, since it uses less digits than its factorization.

13550313990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425176.

The product of its (nonzero) digits is 54675, while the sum is 39.

The spelling of 13550313990 in words is "thirteen billion, five hundred fifty million, three hundred thirteen thousand, nine hundred ninety".