90955604551 has 16 divisors (see below), whose sum is σ = 105231744000. Its totient is φ = 77005935648.

The previous prime is 90955604533. The next prime is 90955604557. The reversal of 90955604551 is 15540655909.

It is a cyclic number.

It is not a de Polignac number, because 90955604551 - 2⁹ = 90955604039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90955604495 and 90955604504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90955604557) 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, 56895 + ... + 430288.

It is an arithmetic number, because the mean of its divisors is an integer number (6576984000).

Almost surely, 2^90955604551 is an apocalyptic number.

90955604551 is a deficient number, since it is larger than the sum of its proper divisors (14276139449).

90955604551 is a wasteful number, since it uses less digits than its factorization.

90955604551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487518.

The product of its (nonzero) digits is 1215000, while the sum is 49.

The spelling of 90955604551 in words is "ninety billion, nine hundred fifty-five million, six hundred four thousand, five hundred fifty-one".