53300729 has 8 divisors (see below), whose sum is σ = 58890240. Its totient is φ = 47983936.

The previous prime is 53300713. The next prime is 53300743. The reversal of 53300729 is 92700335.

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

It is a cyclic number.

It is not a de Polignac number, because 53300729 - 2⁴ = 53300713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53300759) 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, 67769 + ... + 68550.

It is an arithmetic number, because the mean of its divisors is an integer number (7361280).

Almost surely, 2^53300729 is an apocalyptic number.

It is an amenable number.

53300729 is a deficient number, since it is larger than the sum of its proper divisors (5589511).

53300729 is a wasteful number, since it uses less digits than its factorization.

53300729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136359.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 53300729 is about 7300.7348260295. The cubic root of 53300729 is about 376.3376912855.

The spelling of 53300729 in words is "fifty-three million, three hundred thousand, seven hundred twenty-nine".