90275853 has 4 divisors (see below), whose sum is σ = 120367808. Its totient is φ = 60183900.

The previous prime is 90275837. The next prime is 90275881. The reversal of 90275853 is 35857209.

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: 35857209 = 3 ⋅11952403.

It is not a de Polignac number, because 90275853 - 2⁴ = 90275837 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 (90275953) 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, 15045973 + ... + 15045978.

It is an arithmetic number, because the mean of its divisors is an integer number (30091952).

Almost surely, 2^90275853 is an apocalyptic number.

It is an amenable number.

90275853 is a deficient number, since it is larger than the sum of its proper divisors (30091955).

90275853 is a wasteful number, since it uses less digits than its factorization.

90275853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30091954.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 90275853 is about 9501.3605867791. The cubic root of 90275853 is about 448.5978628345.

The spelling of 90275853 in words is "ninety million, two hundred seventy-five thousand, eight hundred fifty-three".