52161801057777 has 8 divisors (see below), whose sum is σ = 69586439964160. Its totient is φ = 34755848094960.

The previous prime is 52161801057727. The next prime is 52161801057827. The reversal of 52161801057777 is 77775010816125.

It is an interprime number because it is at equal distance from previous prime (52161801057727) and next prime (52161801057827).

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

It is not a de Polignac number, because 52161801057777 - 2³⁵ = 52127441319409 is a prime.

It is a super-2 number, since 2×52161801057777² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52161801057727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4671479377 + ... + 4671490542.

It is an arithmetic number, because the mean of its divisors is an integer number (8698304995520).

Almost surely, 2^{52161801057777} is an apocalyptic number.

It is an amenable number.

52161801057777 is a deficient number, since it is larger than the sum of its proper divisors (17424638906383).

52161801057777 is a wasteful number, since it uses less digits than its factorization.

52161801057777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9342971783.

The product of its (nonzero) digits is 5762400, while the sum is 57.

The spelling of 52161801057777 in words is "fifty-two trillion, one hundred sixty-one billion, eight hundred one million, fifty-seven thousand, seven hundred seventy-seven".