52209507 has 8 divisors (see below), whose sum is σ = 79557376. Its totient is φ = 29833992.

The previous prime is 52209491. The next prime is 52209529. The reversal of 52209507 is 70590225.

It is a happy number.

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

It is not a de Polignac number, because 52209507 - 2⁴ = 52209491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52209557) 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, 1243063 + ... + 1243104.

It is an arithmetic number, because the mean of its divisors is an integer number (9944672).

Almost surely, 2^52209507 is an apocalyptic number.

52209507 is a deficient number, since it is larger than the sum of its proper divisors (27347869).

52209507 is a wasteful number, since it uses less digits than its factorization.

52209507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486177.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 52209507 is about 7225.6146451357. The cubic root of 52209507 is about 373.7517178327.

The spelling of 52209507 in words is "fifty-two million, two hundred nine thousand, five hundred seven".