52082757 has 10 divisors (see below), whose sum is σ = 77802758. Its totient is φ = 34721784.

The previous prime is 52082731. The next prime is 52082777. The reversal of 52082757 is 75728025.

52082757 is a `hidden beast` number, since 520 + 82 + 7 + 57 = 666.

It can be written as a sum of positive squares in only one way, i.e., 43046721 + 9036036 = 6561^2 + 3006^2 .

It is not a de Polignac number, because 52082757 - 2¹² = 52078661 is a prime.

It is a super-2 number, since 2×52082757² = 5425227153442098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52082777) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 321418 + ... + 321579.

Almost surely, 2^52082757 is an apocalyptic number.

It is an amenable number.

52082757 is a deficient number, since it is larger than the sum of its proper divisors (25720001).

52082757 is an equidigital number, since it uses as much as digits as its factorization.

52082757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643009 (or 643000 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 52082757 is about 7216.8384352152. The cubic root of 52082757 is about 373.4490180571.

The spelling of 52082757 in words is "fifty-two million, eighty-two thousand, seven hundred fifty-seven".