51982627 has 2 divisors, whose sum is σ = 51982628. Its totient is φ = 51982626.

The previous prime is 51982621. The next prime is 51982639. The reversal of 51982627 is 72628915.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51982627 is a prime.

It is a super-2 number, since 2×51982627² = 5404387019642258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51982627.

It is not a weakly prime, because it can be changed into another prime (51982621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25991313 + 25991314.

It is an arithmetic number, because the mean of its divisors is an integer number (25991314).

Almost surely, 2^51982627 is an apocalyptic number.

51982627 is a deficient number, since it is larger than the sum of its proper divisors (1).

51982627 is an equidigital number, since it uses as much as digits as its factorization.

51982627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 40.

The square root of 51982627 is about 7209.8978494844. The cubic root of 51982627 is about 373.2095437977.

The spelling of 51982627 in words is "fifty-one million, nine hundred eighty-two thousand, six hundred twenty-seven".