90539530 has 32 divisors (see below), whose sum is σ = 170403840. Its totient is φ = 34594560.

The previous prime is 90539507. The next prime is 90539543. The reversal of 90539530 is 3593509.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22642 + ... + 26338.

It is an arithmetic number, because the mean of its divisors is an integer number (5325120).

Almost surely, 2^90539530 is an apocalyptic number.

90539530 is a deficient number, since it is larger than the sum of its proper divisors (79864310).

90539530 is a wasteful number, since it uses less digits than its factorization.

90539530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814.

The product of its (nonzero) digits is 18225, while the sum is 34.

The square root of 90539530 is about 9515.2262190659. The cubic root of 90539530 is about 449.0341920017.

The spelling of 90539530 in words is "ninety million, five hundred thirty-nine thousand, five hundred thirty".