52605769 has 4 divisors (see below), whose sum is σ = 55700244. Its totient is φ = 49511296.

The previous prime is 52605743. The next prime is 52605779. The reversal of 52605769 is 96750625.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16160400 + 36445369 = 4020^2 + 6037^2 .

It is a cyclic number.

It is not a de Polignac number, because 52605769 - 2⁹ = 52605257 is a prime.

It is a super-2 number, since 2×52605769² = 5534733864162722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52605779) 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, 1547212 + ... + 1547245.

It is an arithmetic number, because the mean of its divisors is an integer number (13925061).

Almost surely, 2^52605769 is an apocalyptic number.

It is an amenable number.

52605769 is a deficient number, since it is larger than the sum of its proper divisors (3094475).

52605769 is a wasteful number, since it uses less digits than its factorization.

52605769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3094474.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 52605769 is about 7252.9834551031. The cubic root of 52605769 is about 374.6949079991.

The spelling of 52605769 in words is "fifty-two million, six hundred five thousand, seven hundred sixty-nine".