52632789857 has 4 divisors (see below), whose sum is σ = 53175396036. Its totient is φ = 52090183680.

The previous prime is 52632789851. The next prime is 52632789863. The reversal of 52632789857 is 75898723625.

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 (52632789851) and next prime (52632789863).

It can be written as a sum of positive squares in 2 ways, for example, as 9652866001 + 42979923856 = 98249^2 + 207316^2 .

It is a cyclic number.

It is not a de Polignac number, because 52632789857 - 2¹⁰ = 52632788833 is a prime.

It is a super-2 number, since 2×52632789857² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52632789857.

It is not an unprimeable number, because it can be changed into a prime (52632789851) 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 3 ways as a sum of consecutive naturals, for example, 271302944 + ... + 271303137.

It is an arithmetic number, because the mean of its divisors is an integer number (13293849009).

Almost surely, 2^52632789857 is an apocalyptic number.

It is an amenable number.

52632789857 is a deficient number, since it is larger than the sum of its proper divisors (542606179).

52632789857 is an equidigital number, since it uses as much as digits as its factorization.

52632789857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542606178.

The product of its digits is 50803200, while the sum is 62.

The spelling of 52632789857 in words is "fifty-two billion, six hundred thirty-two million, seven hundred eighty-nine thousand, eight hundred fifty-seven".