52798121 has 2 divisors, whose sum is σ = 52798122. Its totient is φ = 52798120.

The previous prime is 52798099. The next prime is 52798153. The reversal of 52798121 is 12189725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33120025 + 19678096 = 5755^2 + 4436^2 .

It is a cyclic number.

It is not a de Polignac number, because 52798121 - 2¹⁴ = 52781737 is a prime.

It is a super-2 number, since 2×52798121² = 5575283162261282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52798171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26399060 + 26399061.

It is an arithmetic number, because the mean of its divisors is an integer number (26399061).

Almost surely, 2^52798121 is an apocalyptic number.

It is an amenable number.

52798121 is a deficient number, since it is larger than the sum of its proper divisors (1).

52798121 is an equidigital number, since it uses as much as digits as its factorization.

52798121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 35.

The square root of 52798121 is about 7266.2315542515. The cubic root of 52798121 is about 375.1510407859.

The spelling of 52798121 in words is "fifty-two million, seven hundred ninety-eight thousand, one hundred twenty-one".