90452583 has 24 divisors (see below), whose sum is σ = 146825952. Its totient is φ = 53241408.

The previous prime is 90452543. The next prime is 90452587. The reversal of 90452583 is 38525409.

It is a de Polignac number, because none of the positive numbers 2^k-90452583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90452587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14116 + ... + 19497.

It is an arithmetic number, because the mean of its divisors is an integer number (6117748).

Almost surely, 2^90452583 is an apocalyptic number.

90452583 is a deficient number, since it is larger than the sum of its proper divisors (56373369).

90452583 is a wasteful number, since it uses less digits than its factorization.

90452583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33655 (or 33652 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 90452583 is about 9510.6562865031. The cubic root of 90452583 is about 448.8904069970.

It can be divided in two parts, 9045 and 2583, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 90452583 in words is "ninety million, four hundred fifty-two thousand, five hundred eighty-three".