5555091020 has 48 divisors (see below), whose sum is σ = 12358186848. Its totient is φ = 2090265600.

The previous prime is 5555091011. The next prime is 5555091043. The reversal of 5555091020 is 201905555.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

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, 1086470 + ... + 1091570.

It is an arithmetic number, because the mean of its divisors is an integer number (257462226).

Almost surely, 2^5555091020 is an apocalyptic number.

It is an amenable number.

5555091020 is an abundant number, since it is smaller than the sum of its proper divisors (6803095828).

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

5555091020 is a wasteful number, since it uses less digits than its factorization.

5555091020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8330 (or 8328 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 32.

The square root of 5555091020 is about 74532.4829856084. The cubic root of 5555091020 is about 1771.0482496595.

Adding to 5555091020 its reverse (201905555), we get a palindrome (5756996575).

The spelling of 5555091020 in words is "five billion, five hundred fifty-five million, ninety-one thousand, twenty".