53124229 has 4 divisors (see below), whose sum is σ = 53995180. Its totient is φ = 52253280.

The previous prime is 53124191. The next prime is 53124251. The reversal of 53124229 is 92242135.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30228004 + 22896225 = 5498^2 + 4785^2 .

It is a cyclic number.

It is not a de Polignac number, because 53124229 - 2⁷ = 53124101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53124197 and 53124206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53124289) 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, 435384 + ... + 435505.

It is an arithmetic number, because the mean of its divisors is an integer number (13498795).

Almost surely, 2^53124229 is an apocalyptic number.

It is an amenable number.

53124229 is a deficient number, since it is larger than the sum of its proper divisors (870951).

53124229 is an equidigital number, since it uses as much as digits as its factorization.

53124229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870950.

The product of its digits is 4320, while the sum is 28.

The square root of 53124229 is about 7288.6369782011. The cubic root of 53124229 is about 375.9218304565.

The spelling of 53124229 in words is "fifty-three million, one hundred twenty-four thousand, two hundred twenty-nine".