52537517667 has 12 divisors (see below), whose sum is σ = 76433480760. Its totient is φ = 34773032448.

The previous prime is 52537517663. The next prime is 52537517713. The reversal of 52537517667 is 76671573525.

52537517667 is a `hidden beast` number, since 52 + 537 + 51 + 7 + 6 + 6 + 7 = 666.

It is not a de Polignac number, because 52537517667 - 2² = 52537517663 is a prime.

It is a super-2 number, since 2×52537517667² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52537517663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20996958 + ... + 20999459.

It is an arithmetic number, because the mean of its divisors is an integer number (6369456730).

Almost surely, 2^52537517667 is an apocalyptic number.

52537517667 is a deficient number, since it is larger than the sum of its proper divisors (23895963093).

52537517667 is a wasteful number, since it uses less digits than its factorization.

52537517667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41996562 (or 41996559 counting only the distinct ones).

The product of its digits is 9261000, while the sum is 54.

The spelling of 52537517667 in words is "fifty-two billion, five hundred thirty-seven million, five hundred seventeen thousand, six hundred sixty-seven".