51573463 has 2 divisors, whose sum is σ = 51573464. Its totient is φ = 51573462.

The previous prime is 51573443. The next prime is 51573479. The reversal of 51573463 is 36437515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51573463 - 2²¹ = 49476311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51573443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25786731 + 25786732.

It is an arithmetic number, because the mean of its divisors is an integer number (25786732).

Almost surely, 2^51573463 is an apocalyptic number.

51573463 is a deficient number, since it is larger than the sum of its proper divisors (1).

51573463 is an equidigital number, since it uses as much as digits as its factorization.

51573463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 34.

The square root of 51573463 is about 7181.4666329379. The cubic root of 51573463 is about 372.2277649959.

The spelling of 51573463 in words is "fifty-one million, five hundred seventy-three thousand, four hundred sixty-three".