53500090 has 32 divisors (see below), whose sum is σ = 110450304. Its totient is φ = 18277440.

The previous prime is 53500081. The next prime is 53500091. The reversal of 53500090 is 9000535.

It is not an unprimeable number, because it can be changed into a prime (53500091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20985 + ... + 23395.

It is an arithmetic number, because the mean of its divisors is an integer number (3451572).

Almost surely, 2^53500090 is an apocalyptic number.

53500090 is an abundant number, since it is smaller than the sum of its proper divisors (56950214).

53500090 is a wasteful number, since it uses less digits than its factorization.

53500090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742.

The product of its (nonzero) digits is 675, while the sum is 22.

The square root of 53500090 is about 7314.3755714347. The cubic root of 53500090 is about 376.8063134626.

The spelling of 53500090 in words is "fifty-three million, five hundred thousand, ninety".