52881861 has 16 divisors (see below), whose sum is σ = 71705088. Its totient is φ = 34662000.

The previous prime is 52881833. The next prime is 52881887. The reversal of 52881861 is 16818825.

It is not a de Polignac number, because 52881861 - 2⁶ = 52881797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52882861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47926 + ... + 49016.

It is an arithmetic number, because the mean of its divisors is an integer number (4481568).

Almost surely, 2^52881861 is an apocalyptic number.

It is an amenable number.

52881861 is a deficient number, since it is larger than the sum of its proper divisors (18823227).

52881861 is a wasteful number, since it uses less digits than its factorization.

52881861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352.

The product of its digits is 30720, while the sum is 39.

The square root of 52881861 is about 7271.9915428994. The cubic root of 52881861 is about 375.3492710361.

The spelling of 52881861 in words is "fifty-two million, eight hundred eighty-one thousand, eight hundred sixty-one".