52881657 has 8 divisors (see below), whose sum is σ = 71064576. Its totient is φ = 34976592.

The previous prime is 52881649. The next prime is 52881659. The reversal of 52881657 is 75618825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52881657 - 2³ = 52881649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52881659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69018 + ... + 69779.

It is an arithmetic number, because the mean of its divisors is an integer number (8883072).

Almost surely, 2^52881657 is an apocalyptic number.

It is an amenable number.

52881657 is a deficient number, since it is larger than the sum of its proper divisors (18182919).

52881657 is a wasteful number, since it uses less digits than its factorization.

52881657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138927.

The product of its digits is 134400, while the sum is 42.

The square root of 52881657 is about 7271.9775164669. The cubic root of 52881657 is about 375.3487883794.

The spelling of 52881657 in words is "fifty-two million, eight hundred eighty-one thousand, six hundred fifty-seven".