52236090 has 40 divisors (see below), whose sum is σ = 140459220. Its totient is φ = 13929408.

The previous prime is 52236083. The next prime is 52236101. The reversal of 52236090 is 9063225.

52236090 is a `hidden beast` number, since 52 + 2 + 3 + 609 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 52229529 + 6561 = 7227^2 + 81^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31435 + ... + 33054.

Almost surely, 2^52236090 is an apocalyptic number.

52236090 is an abundant number, since it is smaller than the sum of its proper divisors (88223130).

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

52236090 is a wasteful number, since it uses less digits than its factorization.

52236090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64508 (or 64499 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 52236090 is about 7227.4539085351. The cubic root of 52236090 is about 373.8151402291.

The spelling of 52236090 in words is "fifty-two million, two hundred thirty-six thousand, ninety".