53366082121 has 9 divisors (see below), whose sum is σ = 58661379399. Its totient is φ = 48512310000.

The previous prime is 53366082109. The next prime is 53366082131. The reversal of 53366082121 is 12128066335.

The square root of 53366082121 is 231011.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11504922121 + 41861160000 = 107261^2 + 204600^2 .

It is a de Polignac number, because none of the positive numbers 2^k-53366082121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53366082101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2530621 + ... + 2551621.

Almost surely, 2^53366082121 is an apocalyptic number.

53366082121 is the 231011-st square number.

53366082121 is the 115506-th centered octagonal number.

It is an amenable number.

53366082121 is a deficient number, since it is larger than the sum of its proper divisors (5295297278).

53366082121 is an frugal number, since it uses more digits than its factorization.

53366082121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42024 (or 21012 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 53366082121 in words is "fifty-three billion, three hundred sixty-six million, eighty-two thousand, one hundred twenty-one".