51464503 has 2 divisors, whose sum is σ = 51464504. Its totient is φ = 51464502.

The previous prime is 51464467. The next prime is 51464527. The reversal of 51464503 is 30546415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51464503 - 2¹⁷ = 51333431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51464533) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25732251 + 25732252.

It is an arithmetic number, because the mean of its divisors is an integer number (25732252).

Almost surely, 2^51464503 is an apocalyptic number.

51464503 is a deficient number, since it is larger than the sum of its proper divisors (1).

51464503 is an equidigital number, since it uses as much as digits as its factorization.

51464503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 51464503 is about 7173.8764277063. The cubic root of 51464503 is about 371.9654431807.

The spelling of 51464503 in words is "fifty-one million, four hundred sixty-four thousand, five hundred three".