90503132 has 24 divisors (see below), whose sum is σ = 164368512. Its totient is φ = 43570800.

The previous prime is 90503129. The next prime is 90503173. The reversal of 90503132 is 23130509.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 90503098 and 90503107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8507 + ... + 15917.

It is an arithmetic number, because the mean of its divisors is an integer number (6848688).

Almost surely, 2^90503132 is an apocalyptic number.

It is an amenable number.

90503132 is a deficient number, since it is larger than the sum of its proper divisors (73865380).

90503132 is a wasteful number, since it uses less digits than its factorization.

90503132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7529 (or 7527 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 90503132 is about 9513.3134080614. The cubic root of 90503132 is about 448.9740115215.

The spelling of 90503132 in words is "ninety million, five hundred three thousand, one hundred thirty-two".