5501311990 has 16 divisors (see below), whose sum is σ = 9917821440. Its totient is φ = 2197089280.

The previous prime is 5501311913. The next prime is 5501311997. The reversal of 5501311990 is 991131055.

It is a super-2 number, since 2×5501311990² = 60528867222635520200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5501311997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422710 + ... + 435529.

It is an arithmetic number, because the mean of its divisors is an integer number (619863840).

Almost surely, 2^5501311990 is an apocalyptic number.

5501311990 is a deficient number, since it is larger than the sum of its proper divisors (4416509450).

5501311990 is a wasteful number, since it uses less digits than its factorization.

5501311990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858887.

The product of its (nonzero) digits is 6075, while the sum is 34.

The square root of 5501311990 is about 74170.8297782895. The cubic root of 5501311990 is about 1765.3145135257.

The spelling of 5501311990 in words is "five billion, five hundred one million, three hundred eleven thousand, nine hundred ninety".