52771693 has 4 divisors (see below), whose sum is σ = 56831068. Its totient is φ = 48712320.

The previous prime is 52771687. The next prime is 52771699. The reversal of 52771693 is 39617725.

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

It is an interprime number because it is at equal distance from previous prime (52771687) and next prime (52771699).

It can be written as a sum of positive squares in 2 ways, for example, as 19386409 + 33385284 = 4403^2 + 5778^2 .

It is a cyclic number.

It is not a de Polignac number, because 52771693 - 2²¹ = 50674541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52771699) 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, 2029668 + ... + 2029693.

It is an arithmetic number, because the mean of its divisors is an integer number (14207767).

Almost surely, 2^52771693 is an apocalyptic number.

It is an amenable number.

52771693 is a deficient number, since it is larger than the sum of its proper divisors (4059375).

52771693 is a wasteful number, since it uses less digits than its factorization.

52771693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4059374.

The product of its digits is 79380, while the sum is 40.

The square root of 52771693 is about 7264.4127773689. The cubic root of 52771693 is about 375.0884366237.

The spelling of 52771693 in words is "fifty-two million, seven hundred seventy-one thousand, six hundred ninety-three".