90533319 has 4 divisors (see below), whose sum is σ = 120711096. Its totient is φ = 60355544.

The previous prime is 90533293. The next prime is 90533321. The reversal of 90533319 is 91333509.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90533319 - 2¹² = 90529223 is a prime.

It is a super-2 number, since 2×90533319² = 16392563698311522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90533319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90533519) 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, 15088884 + ... + 15088889.

It is an arithmetic number, because the mean of its divisors is an integer number (30177774).

Almost surely, 2^90533319 is an apocalyptic number.

90533319 is a deficient number, since it is larger than the sum of its proper divisors (30177777).

90533319 is a wasteful number, since it uses less digits than its factorization.

90533319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30177776.

The product of its (nonzero) digits is 10935, while the sum is 33.

The square root of 90533319 is about 9514.8998418270. The cubic root of 90533319 is about 449.0239238711.

The spelling of 90533319 in words is "ninety million, five hundred thirty-three thousand, three hundred nineteen".