90055306 has 16 divisors (see below), whose sum is σ = 148443840. Its totient is φ = 40634080.

The previous prime is 90055297. The next prime is 90055309. The reversal of 90055306 is 60355009.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (90055309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11926 + ... + 17953.

It is an arithmetic number, because the mean of its divisors is an integer number (9277740).

Almost surely, 2^90055306 is an apocalyptic number.

90055306 is a deficient number, since it is larger than the sum of its proper divisors (58388534).

90055306 is a wasteful number, since it uses less digits than its factorization.

90055306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30029.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 90055306 is about 9489.7474149737. The cubic root of 90055306 is about 448.2322516260.

The spelling of 90055306 in words is "ninety million, fifty-five thousand, three hundred six".