90653453 has 4 divisors (see below), whose sum is σ = 98894688. Its totient is φ = 82412220.

The previous prime is 90653443. The next prime is 90653461. The reversal of 90653453 is 35435609.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35435609 = 11 ⋅3221419.

It is not a de Polignac number, because 90653453 - 2¹⁴ = 90637069 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 (90653443) 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 3 ways as a sum of consecutive naturals, for example, 4120601 + ... + 4120622.

It is an arithmetic number, because the mean of its divisors is an integer number (24723672).

Almost surely, 2^90653453 is an apocalyptic number.

It is an amenable number.

90653453 is a deficient number, since it is larger than the sum of its proper divisors (8241235).

90653453 is a wasteful number, since it uses less digits than its factorization.

90653453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8241234.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 90653453 is about 9521.2106898230. The cubic root of 90653453 is about 449.2224481941. Note that the first 3 decimals are identical.

The spelling of 90653453 in words is "ninety million, six hundred fifty-three thousand, four hundred fifty-three".