51882949 has 2 divisors, whose sum is σ = 51882950. Its totient is φ = 51882948.

The previous prime is 51882911. The next prime is 51882967. The reversal of 51882949 is 94928815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46036225 + 5846724 = 6785^2 + 2418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51882949 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 51882899 and 51882908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51882979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25941474 + 25941475.

It is an arithmetic number, because the mean of its divisors is an integer number (25941475).

Almost surely, 2^51882949 is an apocalyptic number.

It is an amenable number.

51882949 is a deficient number, since it is larger than the sum of its proper divisors (1).

51882949 is an equidigital number, since it uses as much as digits as its factorization.

51882949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 46.

The square root of 51882949 is about 7202.9819519418. The cubic root of 51882949 is about 372.9708449206.

The spelling of 51882949 in words is "fifty-one million, eight hundred eighty-two thousand, nine hundred forty-nine".