52001757 has 14 divisors (see below), whose sum is σ = 77968062. Its totient is φ = 34667352.

The previous prime is 52001753. The next prime is 52001771. The reversal of 52001757 is 75710025.

It can be written as a sum of positive squares in only one way, i.e., 42693156 + 9308601 = 6534^2 + 3051^2 .

It is not a de Polignac number, because 52001757 - 2² = 52001753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 52001757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52001753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 34938 + ... + 36395.

Almost surely, 2^52001757 is an apocalyptic number.

It is an amenable number.

52001757 is a deficient number, since it is larger than the sum of its proper divisors (25966305).

52001757 is an frugal number, since it uses more digits than its factorization.

52001757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71351 (or 71336 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 52001757 is about 7211.2243759295. The cubic root of 52001757 is about 373.2553194947.

The spelling of 52001757 in words is "fifty-two million, one thousand, seven hundred fifty-seven".