52813757 has 8 divisors (see below), whose sum is σ = 53638200. Its totient is φ = 51994624.

The previous prime is 52813753. The next prime is 52813769. The reversal of 52813757 is 75731825.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24019801 + 28793956 = 4901^2 + 5366^2 .

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 52813757 - 2² = 52813753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52813757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52813753) 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, 21719 + ... + 24027.

It is an arithmetic number, because the mean of its divisors is an integer number (6704775).

Almost surely, 2^52813757 is an apocalyptic number.

It is an amenable number.

52813757 is a deficient number, since it is larger than the sum of its proper divisors (824443).

52813757 is a wasteful number, since it uses less digits than its factorization.

52813757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655.

The product of its digits is 58800, while the sum is 38.

The square root of 52813757 is about 7267.3074105889. The cubic root of 52813757 is about 375.1880704037.

The spelling of 52813757 in words is "fifty-two million, eight hundred thirteen thousand, seven hundred fifty-seven".