51149383 has 2 divisors, whose sum is σ = 51149384. Its totient is φ = 51149382.

The previous prime is 51149339. The next prime is 51149431. The reversal of 51149383 is 38394115.

51149383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51149383 - 2¹³ = 51141191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51149183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25574691 + 25574692.

It is an arithmetic number, because the mean of its divisors is an integer number (25574692).

Almost surely, 2^51149383 is an apocalyptic number.

51149383 is a deficient number, since it is larger than the sum of its proper divisors (1).

51149383 is an equidigital number, since it uses as much as digits as its factorization.

51149383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 51149383 is about 7151.8796829924. The cubic root of 51149383 is about 371.2047000394.

It can be divided in two parts, 511 and 49383, that added together give a palindrome (49894).

The spelling of 51149383 in words is "fifty-one million, one hundred forty-nine thousand, three hundred eighty-three".