51882619 has 2 divisors, whose sum is σ = 51882620. Its totient is φ = 51882618.

The previous prime is 51882617. The next prime is 51882629. The reversal of 51882619 is 91628815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51882619 - 2¹ = 51882617 is a prime.

It is a super-2 number, since 2×51882619² = 5383612308598322, which contains 22 as substring.

Together with 51882617, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (51882617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25941309 + 25941310.

It is an arithmetic number, because the mean of its divisors is an integer number (25941310).

Almost surely, 2^51882619 is an apocalyptic number.

51882619 is a deficient number, since it is larger than the sum of its proper divisors (1).

51882619 is an equidigital number, since it uses as much as digits as its factorization.

51882619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 40.

The square root of 51882619 is about 7202.9590447260. The cubic root of 51882619 is about 372.9700541621.

The spelling of 51882619 in words is "fifty-one million, eight hundred eighty-two thousand, six hundred nineteen".