90061058 has 8 divisors (see below), whose sum is σ = 136609740. Its totient is φ = 44524480.

The previous prime is 90061057. The next prime is 90061061. The reversal of 90061058 is 85016009.

It can be written as a sum of positive squares in 2 ways, for example, as 87478609 + 2582449 = 9353^2 + 1607^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×90061058² = 16221988336158728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90061058.

It is not an unprimeable number, because it can be changed into a prime (90061057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252803 + ... + 253158.

Almost surely, 2^90061058 is an apocalyptic number.

90061058 is a deficient number, since it is larger than the sum of its proper divisors (46548682).

90061058 is a wasteful number, since it uses less digits than its factorization.

90061058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506052.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 90061058 is about 9490.0504740491. The cubic root of 90061058 is about 448.2417945655.

The spelling of 90061058 in words is "ninety million, sixty-one thousand, fifty-eight".