90063524 has 6 divisors (see below), whose sum is σ = 157611174. Its totient is φ = 45031760.

The previous prime is 90063517. The next prime is 90063527. The reversal of 90063524 is 42536009.

It can be written as a sum of positive squares in only one way, i.e., 84456100 + 5607424 = 9190^2 + 2368^2 .

It is a super-2 number, since 2×90063524² = 16222876710597152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90063527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11257937 + ... + 11257944.

It is an arithmetic number, because the mean of its divisors is an integer number (26268529).

Almost surely, 2^90063524 is an apocalyptic number.

It is an amenable number.

90063524 is a deficient number, since it is larger than the sum of its proper divisors (67547650).

90063524 is a wasteful number, since it uses less digits than its factorization.

90063524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22515885 (or 22515883 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 90063524 is about 9490.1803987069. The cubic root of 90063524 is about 448.2458856944.

The spelling of 90063524 in words is "ninety million, sixty-three thousand, five hundred twenty-four".