52881983 has 16 divisors (see below), whose sum is σ = 66094080. Its totient is φ = 41104800.

The previous prime is 52881977. The next prime is 52882009. The reversal of 52881983 is 38918825.

It is a Cunningham number, because it is equal to 7272²-1.

It is not a de Polignac number, because 52881983 - 2⁴ = 52881967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52881943) 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, 50378 + ... + 51416.

It is an arithmetic number, because the mean of its divisors is an integer number (4130880).

Almost surely, 2^52881983 is an apocalyptic number.

52881983 is a deficient number, since it is larger than the sum of its proper divisors (13212097).

52881983 is a wasteful number, since it uses less digits than its factorization.

52881983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718.

The product of its digits is 138240, while the sum is 44.

The square root of 52881983 is about 7271.9999312431. Note that the first 4 decimals coincide. The cubic root of 52881983 is about 375.3495596831.

The spelling of 52881983 in words is "fifty-two million, eight hundred eighty-one thousand, nine hundred eighty-three".