53204629 has 4 divisors (see below), whose sum is σ = 53222220. Its totient is φ = 53187040.

The previous prime is 53204623. The next prime is 53204651. The reversal of 53204629 is 92640235.

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 40259025 + 12945604 = 6345^2 + 3598^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53204629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53204629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53204623) 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, 2974 + ... + 10735.

It is an arithmetic number, because the mean of its divisors is an integer number (13305555).

Almost surely, 2^53204629 is an apocalyptic number.

It is an amenable number.

53204629 is a deficient number, since it is larger than the sum of its proper divisors (17591).

53204629 is a wasteful number, since it uses less digits than its factorization.

53204629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17590.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 53204629 is about 7294.1503274885. The cubic root of 53204629 is about 376.1113791248. Note that the first 3 decimals are identical.

The spelling of 53204629 in words is "fifty-three million, two hundred four thousand, six hundred twenty-nine".