52981801 has 2 divisors, whose sum is σ = 52981802. Its totient is φ = 52981800.

The previous prime is 52981783. The next prime is 52981807. The reversal of 52981801 is 10818925.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47941776 + 5040025 = 6924^2 + 2245^2 .

It is a cyclic number.

It is not a de Polignac number, because 52981801 - 2¹⁷ = 52850729 is a prime.

It is not a weakly prime, because it can be changed into another prime (52981807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26490900 + 26490901.

It is an arithmetic number, because the mean of its divisors is an integer number (26490901).

Almost surely, 2^52981801 is an apocalyptic number.

It is an amenable number.

52981801 is a deficient number, since it is larger than the sum of its proper divisors (1).

52981801 is an equidigital number, since it uses as much as digits as its factorization.

52981801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 52981801 is about 7278.8598695125. The cubic root of 52981801 is about 375.5855763841.

The spelling of 52981801 in words is "fifty-two million, nine hundred eighty-one thousand, eight hundred one".