90514560 has 64 divisors (see below), whose sum is σ = 288521280. Its totient is φ = 24136704.

The previous prime is 90514549. The next prime is 90514561. The reversal of 90514560 is 6541509.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (90514561) 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, 21652 + ... + 25491.

It is an arithmetic number, because the mean of its divisors is an integer number (4508145).

Almost surely, 2^90514560 is an apocalyptic number.

It is an amenable number.

90514560 is an abundant number, since it is smaller than the sum of its proper divisors (198006720).

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

90514560 is a wasteful number, since it uses less digits than its factorization.

90514560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47165 (or 47153 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 90514560 is about 9513.9140210536. The cubic root of 90514560 is about 448.9929083226.

The spelling of 90514560 in words is "ninety million, five hundred fourteen thousand, five hundred sixty".