52905060121 has 9 divisors (see below), whose sum is σ = 53722122111. Its totient is φ = 52100251632.

The previous prime is 52905060101. The next prime is 52905060139. The reversal of 52905060121 is 12106050925.

The square root of 52905060121 is 230011.

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., 17509905625 + 35395154496 = 132325^2 + 188136^2 .

It is not a de Polignac number, because 52905060121 - 2¹³ = 52905051929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52905060101) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15409021 + ... + 15412453.

It is an arithmetic number, because the mean of its divisors is an integer number (5969124679).

Almost surely, 2^52905060121 is an apocalyptic number.

52905060121 is the 230011-st square number.

52905060121 is the 115006-th centered octagonal number.

It is an amenable number.

52905060121 is a deficient number, since it is larger than the sum of its proper divisors (817061990).

52905060121 is an frugal number, since it uses more digits than its factorization.

52905060121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7000 (or 3500 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 52905060121 in words is "fifty-two billion, nine hundred five million, sixty thousand, one hundred twenty-one".