90543032 has 16 divisors (see below), whose sum is σ = 172552200. Its totient is φ = 44529120.

The previous prime is 90543023. The next prime is 90543041. The reversal of 90543032 is 23034509.

It is an interprime number because it is at equal distance from previous prime (90543023) and next prime (90543041).

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 90542992 and 90543010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92282 + ... + 93257.

Almost surely, 2^90543032 is an apocalyptic number.

It is an amenable number.

90543032 is a deficient number, since it is larger than the sum of its proper divisors (82009168).

90543032 is a wasteful number, since it uses less digits than its factorization.

90543032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185606 (or 185602 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 90543032 is about 9515.4102381348. The cubic root of 90543032 is about 449.0399813604.

The spelling of 90543032 in words is "ninety million, five hundred forty-three thousand, thirty-two".