52377657565 has 8 divisors (see below), whose sum is σ = 62865867960. Its totient is φ = 41893673472.

The previous prime is 52377657559. The next prime is 52377657583. The reversal of 52377657565 is 56575677325.

It can be written as a sum of positive squares in 4 ways, for example, as 3141154116 + 49236503449 = 56046^2 + 221893^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52377657565 - 2⁵ = 52377657533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029244 + ... + 1078933.

It is an arithmetic number, because the mean of its divisors is an integer number (7858233495).

Almost surely, 2^52377657565 is an apocalyptic number.

It is an amenable number.

52377657565 is a deficient number, since it is larger than the sum of its proper divisors (10488210395).

52377657565 is a wasteful number, since it uses less digits than its factorization.

52377657565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113151.

The product of its digits is 46305000, while the sum is 58.

The spelling of 52377657565 in words is "fifty-two billion, three hundred seventy-seven million, six hundred fifty-seven thousand, five hundred sixty-five".