52649761364 has 6 divisors (see below), whose sum is σ = 92137082394. Its totient is φ = 26324880680.

The previous prime is 52649761343. The next prime is 52649761397. The reversal of 52649761364 is 46316794625.

It can be written as a sum of positive squares in only one way, i.e., 35929202500 + 16720558864 = 189550^2 + 129308^2 .

It is a super-2 number, since 2×52649761364² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6581220167 + ... + 6581220174.

It is an arithmetic number, because the mean of its divisors is an integer number (15356180399).

Almost surely, 2^52649761364 is an apocalyptic number.

It is an amenable number.

52649761364 is a deficient number, since it is larger than the sum of its proper divisors (39487321030).

52649761364 is a wasteful number, since it uses less digits than its factorization.

52649761364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13162440345 (or 13162440343 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 53.

The spelling of 52649761364 in words is "fifty-two billion, six hundred forty-nine million, seven hundred sixty-one thousand, three hundred sixty-four".