52764509 has 8 divisors (see below), whose sum is σ = 60388608. Its totient is φ = 45162000.

The previous prime is 52764497. The next prime is 52764527. The reversal of 52764509 is 90546725.

It is a happy number.

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 52764509 - 2²⁴ = 35987293 is a prime.

It is a super-2 number, since 2×52764509² = 5568186820022162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52764529) 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, 239 + ... + 10275.

It is an arithmetic number, because the mean of its divisors is an integer number (7548576).

Almost surely, 2^52764509 is an apocalyptic number.

It is an amenable number.

52764509 is a deficient number, since it is larger than the sum of its proper divisors (7624099).

52764509 is a wasteful number, since it uses less digits than its factorization.

52764509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10795.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 52764509 is about 7263.9182952453. The cubic root of 52764509 is about 375.0714151396.

The spelling of 52764509 in words is "fifty-two million, seven hundred sixty-four thousand, five hundred nine".