53221627 has 4 divisors (see below), whose sum is σ = 53450280. Its totient is φ = 52992976.

The previous prime is 53221621. The next prime is 53221631. The reversal of 53221627 is 72612235.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53221627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53221595 and 53221604.

It is not an unprimeable number, because it can be changed into a prime (53221621) 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, 113977 + ... + 114442.

It is an arithmetic number, because the mean of its divisors is an integer number (13362570).

Almost surely, 2^53221627 is an apocalyptic number.

53221627 is a deficient number, since it is larger than the sum of its proper divisors (228653).

53221627 is a wasteful number, since it uses less digits than its factorization.

53221627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228652.

The product of its digits is 5040, while the sum is 28.

The square root of 53221627 is about 7295.3154147028. The cubic root of 53221627 is about 376.1514286507.

The spelling of 53221627 in words is "fifty-three million, two hundred twenty-one thousand, six hundred twenty-seven".