51882493 has 12 divisors (see below), whose sum is σ = 56389620. Its totient is φ = 47713536.

The previous prime is 51882463. The next prime is 51882569. The reversal of 51882493 is 39428815.

It can be written as a sum of positive squares in 6 ways, for example, as 27646564 + 24235929 = 5258^2 + 4923^2 .

It is not a de Polignac number, because 51882493 - 2⁹ = 51881981 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51882433) 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 11 ways as a sum of consecutive naturals, for example, 72823 + ... + 73531.

It is an arithmetic number, because the mean of its divisors is an integer number (4699135).

Almost surely, 2^51882493 is an apocalyptic number.

It is an amenable number.

51882493 is a deficient number, since it is larger than the sum of its proper divisors (4507127).

51882493 is a wasteful number, since it uses less digits than its factorization.

51882493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1155 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 51882493 is about 7202.9502983153. The cubic root of 51882493 is about 372.9697522353.

The spelling of 51882493 in words is "fifty-one million, eight hundred eighty-two thousand, four hundred ninety-three".