52051620656136 has 16 divisors (see below), whose sum is σ = 130129051640400. Its totient is φ = 17350540218704.

The previous prime is 52051620656117. The next prime is 52051620656137. The reversal of 52051620656136 is 63165602615025.

It is a super-2 number, since 2×52051620656136² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52051620656137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1084408763646 + ... + 1084408763693.

It is an arithmetic number, because the mean of its divisors is an integer number (8133065727525).

Almost surely, 2^{52051620656136} is an apocalyptic number.

It is an amenable number.

52051620656136 is an abundant number, since it is smaller than the sum of its proper divisors (78077430984264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52051620656136 is a wasteful number, since it uses less digits than its factorization.

52051620656136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168817527348 (or 2168817527344 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 52051620656136 in words is "fifty-two trillion, fifty-one billion, six hundred twenty million, six hundred fifty-six thousand, one hundred thirty-six".