52881511 has 2 divisors, whose sum is σ = 52881512. Its totient is φ = 52881510.

The previous prime is 52881487. The next prime is 52881557. The reversal of 52881511 is 11518825.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52881511 - 2⁷ = 52881383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52881011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26440755 + 26440756.

It is an arithmetic number, because the mean of its divisors is an integer number (26440756).

Almost surely, 2^52881511 is an apocalyptic number.

52881511 is a deficient number, since it is larger than the sum of its proper divisors (1).

52881511 is an equidigital number, since it uses as much as digits as its factorization.

52881511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3200, while the sum is 31.

The square root of 52881511 is about 7271.9674779251. The cubic root of 52881511 is about 375.3484429479.

The spelling of 52881511 in words is "fifty-two million, eight hundred eighty-one thousand, five hundred eleven".