52766351527565 has 16 divisors (see below), whose sum is σ = 68325929336448. Its totient is φ = 38888454063936.

The previous prime is 52766351527541. The next prime is 52766351527639. The reversal of 52766351527565 is 56572515366725.

It is a cyclic number.

It is not a de Polignac number, because 52766351527565 - 2¹² = 52766351523469 is a prime.

It is a super-2 number, since 2×52766351527565² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 806915639 + ... + 806981028.

It is an arithmetic number, because the mean of its divisors is an integer number (4270370583528).

Almost surely, 2^{52766351527565} is an apocalyptic number.

It is an amenable number.

52766351527565 is a deficient number, since it is larger than the sum of its proper divisors (15559577808883).

52766351527565 is a wasteful number, since it uses less digits than its factorization.

52766351527565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613897188.

The product of its digits is 396900000, while the sum is 65.

The spelling of 52766351527565 in words is "fifty-two trillion, seven hundred sixty-six billion, three hundred fifty-one million, five hundred twenty-seven thousand, five hundred sixty-five".