90553474 has 16 divisors (see below), whose sum is σ = 148444416. Its totient is φ = 41086800.

The previous prime is 90553459. The next prime is 90553481. The reversal of 90553474 is 47435509.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9964 + ... + 16744.

It is an arithmetic number, because the mean of its divisors is an integer number (9277776).

Almost surely, 2^90553474 is an apocalyptic number.

90553474 is a deficient number, since it is larger than the sum of its proper divisors (57890942).

90553474 is a wasteful number, since it uses less digits than its factorization.

90553474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7401.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 90553474 is about 9515.9589112186. The cubic root of 90553474 is about 449.0572427486.

The spelling of 90553474 in words is "ninety million, five hundred fifty-three thousand, four hundred seventy-four".