52609999 has 8 divisors (see below), whose sum is σ = 57586592. Its totient is φ = 47766240.

The previous prime is 52609981. The next prime is 52610009. The reversal of 52609999 is 99990625.

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 52609999 - 2⁷ = 52609871 is a prime.

It is a Duffinian number.

52609999 is a modest number, since divided by 9999 gives 5260 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52609919) 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, 32379 + ... + 33964.

It is an arithmetic number, because the mean of its divisors is an integer number (7198324).

Almost surely, 2^52609999 is an apocalyptic number.

52609999 is a deficient number, since it is larger than the sum of its proper divisors (4976593).

52609999 is a wasteful number, since it uses less digits than its factorization.

52609999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66417.

The product of its (nonzero) digits is 393660, while the sum is 49.

The square root of 52609999 is about 7253.2750533811. The cubic root of 52609999 is about 374.7049507315.

The spelling of 52609999 in words is "fifty-two million, six hundred nine thousand, nine hundred ninety-nine".