52771657 has 8 divisors (see below), whose sum is σ = 54288776. Its totient is φ = 51259392.

The previous prime is 52771643. The next prime is 52771669. The reversal of 52771657 is 75617725.

52771657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 32844361 + 19927296 = 5731^2 + 4464^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52771657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52771687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42043 + ... + 43279.

It is an arithmetic number, because the mean of its divisors is an integer number (6786097).

Almost surely, 2^52771657 is an apocalyptic number.

It is an amenable number.

52771657 is a deficient number, since it is larger than the sum of its proper divisors (1517119).

52771657 is a wasteful number, since it uses less digits than its factorization.

52771657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427.

The product of its digits is 102900, while the sum is 40.

The square root of 52771657 is about 7264.4102995357. The cubic root of 52771657 is about 375.0883513306.

The spelling of 52771657 in words is "fifty-two million, seven hundred seventy-one thousand, six hundred fifty-seven".