57850452765 has 72 divisors (see below), whose sum is σ = 117147067128. Its totient is φ = 26332185600.

The previous prime is 57850452757. The next prime is 57850452769. The reversal of 57850452765 is 56725405875.

57850452765 is a `hidden beast` number, since 5 + 7 + 8 + 50 + 4 + 527 + 65 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3534421401 + 54316031364 = 59451^2 + 233058^2 .

It is not a de Polignac number, because 57850452765 - 2³ = 57850452757 is a prime.

It is a super-2 number, since 2×57850452765² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57850452769) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 457465 + ... + 570065.

It is an arithmetic number, because the mean of its divisors is an integer number (1627042599).

Almost surely, 2^57850452765 is an apocalyptic number.

It is an amenable number.

57850452765 is an abundant number, since it is smaller than the sum of its proper divisors (59296614363).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57850452765 is a wasteful number, since it uses less digits than its factorization.

57850452765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112859 (or 112849 counting only the distinct ones).

The product of its (nonzero) digits is 11760000, while the sum is 54.

The spelling of 57850452765 in words is "fifty-seven billion, eight hundred fifty million, four hundred fifty-two thousand, seven hundred sixty-five".