52724009 has 8 divisors (see below), whose sum is σ = 56904960. Its totient is φ = 48560976.

The previous prime is 52724003. The next prime is 52724017. The reversal of 52724009 is 90042725.

52724009 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52724009 is a prime.

It is a super-2 number, since 2×52724009² = 5559642250064162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52724003) 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, 1994 + ... + 10460.

It is an arithmetic number, because the mean of its divisors is an integer number (7113120).

Almost surely, 2^52724009 is an apocalyptic number.

It is an amenable number.

52724009 is a deficient number, since it is larger than the sum of its proper divisors (4180951).

52724009 is a wasteful number, since it uses less digits than its factorization.

52724009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8959.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 52724009 is about 7261.1300084766. The cubic root of 52724009 is about 374.9754271306.

The spelling of 52724009 in words is "fifty-two million, seven hundred twenty-four thousand, nine".