53124729 has 8 divisors (see below), whose sum is σ = 80952000. Its totient is φ = 30356976.

The previous prime is 53124719. The next prime is 53124739. The reversal of 53124729 is 92742135.

It is an interprime number because it is at equal distance from previous prime (53124719) and next prime (53124739).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53124729 - 2⁴ = 53124713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53124729.

It is not an unprimeable number, because it can be changed into a prime (53124719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1264854 + ... + 1264895.

It is an arithmetic number, because the mean of its divisors is an integer number (10119000).

Almost surely, 2^53124729 is an apocalyptic number.

It is an amenable number.

53124729 is a deficient number, since it is larger than the sum of its proper divisors (27827271).

53124729 is a wasteful number, since it uses less digits than its factorization.

53124729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529759.

The product of its digits is 15120, while the sum is 33.

The square root of 53124729 is about 7288.6712780863. The cubic root of 53124729 is about 375.9230098325.

The spelling of 53124729 in words is "fifty-three million, one hundred twenty-four thousand, seven hundred twenty-nine".