53387227 has 4 divisors (see below), whose sum is σ = 53714920. Its totient is φ = 53059536.

The previous prime is 53387221. The next prime is 53387233. The reversal of 53387227 is 72278335.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (53387221) and next prime (53387233).

It is a cyclic number.

It is not a de Polignac number, because 53387227 - 2⁷ = 53387099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53387221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163602 + ... + 163927.

It is an arithmetic number, because the mean of its divisors is an integer number (13428730).

Almost surely, 2^53387227 is an apocalyptic number.

53387227 is the 4219-th hex number.

53387227 is a deficient number, since it is larger than the sum of its proper divisors (327693).

53387227 is a wasteful number, since it uses less digits than its factorization.

53387227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327692.

The product of its digits is 70560, while the sum is 37.

The square root of 53387227 is about 7306.6563488370. The cubic root of 53387227 is about 376.5411585743.

The spelling of 53387227 in words is "fifty-three million, three hundred eighty-seven thousand, two hundred twenty-seven".