53222649 has 4 divisors (see below), whose sum is σ = 70963536. Its totient is φ = 35481764.

The previous prime is 53222641. The next prime is 53222669. The reversal of 53222649 is 94622235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53222649 - 2³ = 53222641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53222641) 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, 8870439 + ... + 8870444.

It is an arithmetic number, because the mean of its divisors is an integer number (17740884).

Almost surely, 2^53222649 is an apocalyptic number.

It is an amenable number.

53222649 is a deficient number, since it is larger than the sum of its proper divisors (17740887).

53222649 is a wasteful number, since it uses less digits than its factorization.

53222649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17740886.

The product of its digits is 25920, while the sum is 33.

The square root of 53222649 is about 7295.3854593160. The cubic root of 53222649 is about 376.1538363455.

The spelling of 53222649 in words is "fifty-three million, two hundred twenty-two thousand, six hundred forty-nine".