90355480 has 32 divisors (see below), whose sum is σ = 208797840. Its totient is φ = 35164800.

The previous prime is 90355453. The next prime is 90355481. The reversal of 90355480 is 8455309.

It is a super-2 number, since 2×90355480² = 16328225532060800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90355481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29046 + ... + 32005.

Almost surely, 2^90355480 is an apocalyptic number.

It is an amenable number.

90355480 is an abundant number, since it is smaller than the sum of its proper divisors (118442360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90355480 is a wasteful number, since it uses less digits than its factorization.

90355480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61099 (or 61095 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 90355480 is about 9505.5499577878. The cubic root of 90355480 is about 448.7297179713.

The spelling of 90355480 in words is "ninety million, three hundred fifty-five thousand, four hundred eighty".