90590556337 has 4 divisors (see below), whose sum is σ = 91737272320. Its totient is φ = 89443840356.

The previous prime is 90590556313. The next prime is 90590556401. The reversal of 90590556337 is 73365509509.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90590556337 - 2²³ = 90582167729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90590556137) 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, 573357873 + ... + 573358030.

It is an arithmetic number, because the mean of its divisors is an integer number (22934318080).

Almost surely, 2^90590556337 is an apocalyptic number.

It is an amenable number.

90590556337 is a deficient number, since it is larger than the sum of its proper divisors (1146715983).

90590556337 is a wasteful number, since it uses less digits than its factorization.

90590556337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146715982.

The product of its (nonzero) digits is 3827250, while the sum is 52.

The spelling of 90590556337 in words is "ninety billion, five hundred ninety million, five hundred fifty-six thousand, three hundred thirty-seven".