90255659 has 8 divisors (see below), whose sum is σ = 97281072. Its totient is φ = 83242080.

The previous prime is 90255653. The next prime is 90255673. The reversal of 90255659 is 95655209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90255659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90255653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18932 + ... + 23214.

It is an arithmetic number, because the mean of its divisors is an integer number (12160134).

Almost surely, 2^90255659 is an apocalyptic number.

90255659 is a deficient number, since it is larger than the sum of its proper divisors (7025413).

90255659 is a wasteful number, since it uses less digits than its factorization.

90255659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5917.

The product of its (nonzero) digits is 121500, while the sum is 41.

The square root of 90255659 is about 9500.2978374365. The cubic root of 90255659 is about 448.5644110660.

The spelling of 90255659 in words is "ninety million, two hundred fifty-five thousand, six hundred fifty-nine".