53987227 has 16 divisors (see below), whose sum is σ = 65606400. Its totient is φ = 43394400.

The previous prime is 53987209. The next prime is 53987237. The reversal of 53987227 is 72278935.

It is a de Polignac number, because none of the positive numbers 2^k-53987227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53987237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11424 + ... + 15442.

It is an arithmetic number, because the mean of its divisors is an integer number (4100400).

Almost surely, 2^53987227 is an apocalyptic number.

53987227 is a deficient number, since it is larger than the sum of its proper divisors (11619173).

53987227 is a wasteful number, since it uses less digits than its factorization.

53987227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4146.

The product of its digits is 211680, while the sum is 43.

The square root of 53987227 is about 7347.6000843813. The cubic root of 53987227 is about 377.9465108192.

The spelling of 53987227 in words is "fifty-three million, nine hundred eighty-seven thousand, two hundred twenty-seven".