51882643 has 2 divisors, whose sum is σ = 51882644. Its totient is φ = 51882642.

The previous prime is 51882637. The next prime is 51882647. The reversal of 51882643 is 34628815.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51882643 is a prime.

It is not a weakly prime, because it can be changed into another prime (51882647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25941321 + 25941322.

It is an arithmetic number, because the mean of its divisors is an integer number (25941322).

Almost surely, 2^51882643 is an apocalyptic number.

51882643 is a deficient number, since it is larger than the sum of its proper divisors (1).

51882643 is an equidigital number, since it uses as much as digits as its factorization.

51882643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 37.

The square root of 51882643 is about 7202.9607107078. The cubic root of 51882643 is about 372.9701116719.

It can be divided in two parts, 51882 and 643, that added together give a palindrome (52525).

The spelling of 51882643 in words is "fifty-one million, eight hundred eighty-two thousand, six hundred forty-three".