51475799 has 2 divisors, whose sum is σ = 51475800. Its totient is φ = 51475798.

The previous prime is 51475777. The next prime is 51475811. The reversal of 51475799 is 99757415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51475799 - 2¹⁶ = 51410263 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51475709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25737899 + 25737900.

It is an arithmetic number, because the mean of its divisors is an integer number (25737900).

Almost surely, 2^51475799 is an apocalyptic number.

51475799 is a deficient number, since it is larger than the sum of its proper divisors (1).

51475799 is an equidigital number, since it uses as much as digits as its factorization.

51475799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 396900, while the sum is 47.

The square root of 51475799 is about 7174.6636854977. The cubic root of 51475799 is about 371.9926555570.

The spelling of 51475799 in words is "fifty-one million, four hundred seventy-five thousand, seven hundred ninety-nine".