52076309 has 4 divisors (see below), whose sum is σ = 52103616. Its totient is φ = 52049004.

The previous prime is 52076281. The next prime is 52076317. The reversal of 52076309 is 90367025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52076309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52076399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10559 + ... + 14684.

It is an arithmetic number, because the mean of its divisors is an integer number (13025904).

Almost surely, 2^52076309 is an apocalyptic number.

It is an amenable number.

52076309 is a deficient number, since it is larger than the sum of its proper divisors (27307).

52076309 is a wasteful number, since it uses less digits than its factorization.

52076309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27306.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 52076309 is about 7216.3916883717. The cubic root of 52076309 is about 373.4336060552.

The spelling of 52076309 in words is "fifty-two million, seventy-six thousand, three hundred nine".