51524047 has 2 divisors, whose sum is σ = 51524048. Its totient is φ = 51524046.

The previous prime is 51524041. The next prime is 51524063. The reversal of 51524047 is 74042515.

51524047 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 a de Polignac number, because none of the positive numbers 2^k-51524047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51524041) 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, 25762023 + 25762024.

It is an arithmetic number, because the mean of its divisors is an integer number (25762024).

Almost surely, 2^51524047 is an apocalyptic number.

51524047 is a deficient number, since it is larger than the sum of its proper divisors (1).

51524047 is an equidigital number, since it uses as much as digits as its factorization.

51524047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 51524047 is about 7178.0252855503. The cubic root of 51524047 is about 372.1088415280.

The spelling of 51524047 in words is "fifty-one million, five hundred twenty-four thousand, forty-seven".