9100045555 has 4 divisors (see below), whose sum is σ = 10920054672. Its totient is φ = 7280036440.

The previous prime is 9100045553. The next prime is 9100045579. The reversal of 9100045555 is 5555400019.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5555400019 = 13 ⋅427338463.

It is not a de Polignac number, because 9100045555 - 2¹ = 9100045553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9100045555.

It is not an unprimeable number, because it can be changed into a prime (9100045553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910004551 + ... + 910004560.

It is an arithmetic number, because the mean of its divisors is an integer number (2730013668).

Almost surely, 2^9100045555 is an apocalyptic number.

9100045555 is a deficient number, since it is larger than the sum of its proper divisors (1820009117).

9100045555 is a wasteful number, since it uses less digits than its factorization.

9100045555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820009116.

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 9100045555 is about 95394.1589144744. The cubic root of 9100045555 is about 2087.7629624629.

The spelling of 9100045555 in words is "nine billion, one hundred million, forty-five thousand, five hundred fifty-five".