52137062561 has 32 divisors (see below), whose sum is σ = 59201176320. Its totient is φ = 45644949504.

The previous prime is 52137062539. The next prime is 52137062567. The reversal of 52137062561 is 16526073125.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52137062561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52137062567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3910775 + ... + 3924083.

It is an arithmetic number, because the mean of its divisors is an integer number (1850036760).

Almost surely, 2^52137062561 is an apocalyptic number.

It is an amenable number.

52137062561 is a deficient number, since it is larger than the sum of its proper divisors (7064113759).

52137062561 is a wasteful number, since it uses less digits than its factorization.

52137062561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13625.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 52137062561 in words is "fifty-two billion, one hundred thirty-seven million, sixty-two thousand, five hundred sixty-one".