53224287 has 8 divisors (see below), whose sum is σ = 71054640. Its totient is φ = 35438400.

The previous prime is 53224279. The next prime is 53224291. The reversal of 53224287 is 78242235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53224287 - 2³ = 53224279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53224207) 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, 8214 + ... + 13187.

It is an arithmetic number, because the mean of its divisors is an integer number (8881830).

Almost surely, 2^53224287 is an apocalyptic number.

53224287 is a deficient number, since it is larger than the sum of its proper divisors (17830353).

53224287 is a wasteful number, since it uses less digits than its factorization.

53224287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22233.

The product of its digits is 26880, while the sum is 33.

The square root of 53224287 is about 7295.4977211976. The cubic root of 53224287 is about 376.1576951893.

The spelling of 53224287 in words is "fifty-three million, two hundred twenty-four thousand, two hundred eighty-seven".