52881401 has 4 divisors (see below), whose sum is σ = 53349492. Its totient is φ = 52413312.

The previous prime is 52881391. The next prime is 52881481. The reversal of 52881401 is 10418825.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29106025 + 23775376 = 5395^2 + 4876^2 .

It is a cyclic number.

It is not a de Polignac number, because 52881401 - 2²² = 48687097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52881481) 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 3 ways as a sum of consecutive naturals, for example, 233876 + ... + 234101.

It is an arithmetic number, because the mean of its divisors is an integer number (13337373).

Almost surely, 2^52881401 is an apocalyptic number.

It is an amenable number.

52881401 is a deficient number, since it is larger than the sum of its proper divisors (468091).

52881401 is a wasteful number, since it uses less digits than its factorization.

52881401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468090.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 52881401 is about 7271.9599146310. The cubic root of 52881401 is about 375.3481826909.

The spelling of 52881401 in words is "fifty-two million, eight hundred eighty-one thousand, four hundred one".