52762809 has 8 divisors (see below), whose sum is σ = 76745952. Its totient is φ = 31977440.

The previous prime is 52762799. The next prime is 52762813. The reversal of 52762809 is 90826725.

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 52762809 - 2⁷ = 52762681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52762819) 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, 799404 + ... + 799469.

It is an arithmetic number, because the mean of its divisors is an integer number (9593244).

Almost surely, 2^52762809 is an apocalyptic number.

It is an amenable number.

52762809 is a deficient number, since it is larger than the sum of its proper divisors (23983143).

52762809 is a wasteful number, since it uses less digits than its factorization.

52762809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598887.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 52762809 is about 7263.8012775681. The cubic root of 52762809 is about 375.0673870010.

It can be divided in two parts, 527 and 62809, that added together give a palindrome (63336).

The spelling of 52762809 in words is "fifty-two million, seven hundred sixty-two thousand, eight hundred nine".