53856363311252 has 36 divisors (see below), whose sum is σ = 96440958306420. Its totient is φ = 26311083041664.

The previous prime is 53856363311249. The next prime is 53856363311281. The reversal of 53856363311252 is 25211336365835.

It can be written as a sum of positive squares in 2 ways, for example, as 12146646921616 + 41709716389636 = 3485204^2 + 6458306^2 .

It is a super-2 number, since 2×53856363311252² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53856363311194 and 53856363311203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4711727 + ... + 11397942.

Almost surely, 2^{53856363311252} is an apocalyptic number.

It is an amenable number.

53856363311252 is a deficient number, since it is larger than the sum of its proper divisors (42584594995168).

53856363311252 is a wasteful number, since it uses less digits than its factorization.

53856363311252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16109960 (or 16109851 counting only the distinct ones).

The product of its digits is 11664000, while the sum is 53.

The spelling of 53856363311252 in words is "fifty-three trillion, eight hundred fifty-six billion, three hundred sixty-three million, three hundred eleven thousand, two hundred fifty-two".