9100045550 has 48 divisors (see below), whose sum is σ = 17204285760. Its totient is φ = 3580536960.

The previous prime is 9100045547. The next prime is 9100045553. The reversal of 9100045550 is 555400019.

It is an interprime number because it is at equal distance from previous prime (9100045547) and next prime (9100045553).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1089992 + ... + 1098308.

It is an arithmetic number, because the mean of its divisors is an integer number (358422620).

Almost surely, 2^9100045550 is an apocalyptic number.

9100045550 is a deficient number, since it is larger than the sum of its proper divisors (8104240210).

9100045550 is a wasteful number, since it uses less digits than its factorization.

9100045550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8685 (or 8680 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 9100045550 is about 95394.1588882674. The cubic root of 9100045550 is about 2087.7629620805.

Adding to 9100045550 its reverse (555400019), we get a palindrome (9655445569).

The spelling of 9100045550 in words is "nine billion, one hundred million, forty-five thousand, five hundred fifty".