90458653 has 4 divisors (see below), whose sum is σ = 90516348. Its totient is φ = 90400960.

The previous prime is 90458633. The next prime is 90458663. The reversal of 90458653 is 35685409.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29571844 + 60886809 = 5438^2 + 7803^2 .

It is a cyclic number.

It is not a de Polignac number, because 90458653 - 2¹³ = 90450461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90458633) 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, 26428 + ... + 29653.

It is an arithmetic number, because the mean of its divisors is an integer number (22629087).

Almost surely, 2^90458653 is an apocalyptic number.

It is an amenable number.

90458653 is a deficient number, since it is larger than the sum of its proper divisors (57695).

90458653 is a wasteful number, since it uses less digits than its factorization.

90458653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57694.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 90458653 is about 9510.9753968770. The cubic root of 90458653 is about 448.9004479994.

The spelling of 90458653 in words is "ninety million, four hundred fifty-eight thousand, six hundred fifty-three".