52161726 has 16 divisors (see below), whose sum is σ = 109814400. Its totient is φ = 16472088.

The previous prime is 52161721. The next prime is 52161727. The reversal of 52161726 is 62716125.

It is a junction number, because it is equal to n+sod(n) for n = 52161693 and 52161702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52161721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228666 + ... + 228893.

It is an arithmetic number, because the mean of its divisors is an integer number (6863400).

Almost surely, 2^52161726 is an apocalyptic number.

52161726 is an abundant number, since it is smaller than the sum of its proper divisors (57652674).

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

52161726 is a wasteful number, since it uses less digits than its factorization.

52161726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457583.

The product of its digits is 5040, while the sum is 30.

The square root of 52161726 is about 7222.3075259920. The cubic root of 52161726 is about 373.6376665647.

The spelling of 52161726 in words is "fifty-two million, one hundred sixty-one thousand, seven hundred twenty-six".