52867021312052 has 24 divisors (see below), whose sum is σ = 92771285958792. Its totient is φ = 26361023270400.

The previous prime is 52867021312033. The next prime is 52867021312067. The reversal of 52867021312052 is 25021312076825.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3168271841296 + 49698749470756 = 1779964^2 + 7049734^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52867021311994 and 52867021312012.

It is a congruent number.

It is an unprimeable number.

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, 7928849 + ... + 12984632.

It is an arithmetic number, because the mean of its divisors is an integer number (3865470248283).

Almost surely, 2^{52867021312052} is an apocalyptic number.

It is an amenable number.

52867021312052 is a deficient number, since it is larger than the sum of its proper divisors (39904264646740).

52867021312052 is a wasteful number, since it uses less digits than its factorization.

52867021312052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20915219 (or 20915217 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

Adding to 52867021312052 its reverse (25021312076825), we get a palindrome (77888333388877).

The spelling of 52867021312052 in words is "fifty-two trillion, eight hundred sixty-seven billion, twenty-one million, three hundred twelve thousand, fifty-two".