90959100055 has 16 divisors (see below), whose sum is σ = 111279502944. Its totient is φ = 71349932160.

The previous prime is 90959100031. The next prime is 90959100059. The reversal of 90959100055 is 55000195909.

It is a happy number.

It is not a de Polignac number, because 90959100055 - 2¹⁹ = 90958575767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90959099984 and 90959100020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90959100059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323692 + ... + 535438.

It is an arithmetic number, because the mean of its divisors is an integer number (6954968934).

Almost surely, 2^90959100055 is an apocalyptic number.

90959100055 is a deficient number, since it is larger than the sum of its proper divisors (20320402889).

90959100055 is a wasteful number, since it uses less digits than its factorization.

90959100055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213426.

The product of its (nonzero) digits is 91125, while the sum is 43.

The spelling of 90959100055 in words is "ninety billion, nine hundred fifty-nine million, one hundred thousand, fifty-five".