52152324540052 has 72 divisors (see below), whose sum is σ = 101276864073000. Its totient is φ = 23479136271360.

The previous prime is 52152324540047. The next prime is 52152324540053. The reversal of 52152324540052 is 25004542325125.

It can be written as a sum of positive squares in 4 ways, for example, as 870197928336 + 51282126611716 = 932844^2 + 7161154^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52152324539987 and 52152324540014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52152324540053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138718824 + ... + 139094272.

It is an arithmetic number, because the mean of its divisors is an integer number (1406623112125).

Almost surely, 2^{52152324540052} is an apocalyptic number.

It is an amenable number.

52152324540052 is a deficient number, since it is larger than the sum of its proper divisors (49124539532948).

52152324540052 is a wasteful number, since it uses less digits than its factorization.

52152324540052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378217 (or 378204 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 52152324540052 its reverse (25004542325125), we get a palindrome (77156866865177).

The spelling of 52152324540052 in words is "fifty-two trillion, one hundred fifty-two billion, three hundred twenty-four million, five hundred forty thousand, fifty-two".