51363463 has 4 divisors (see below), whose sum is σ = 51493240. Its totient is φ = 51233688.

The previous prime is 51363461. The next prime is 51363467. The reversal of 51363463 is 36436315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51363463 - 2¹ = 51363461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51363461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64293 + ... + 65086.

It is an arithmetic number, because the mean of its divisors is an integer number (12873310).

Almost surely, 2^51363463 is an apocalyptic number.

51363463 is a deficient number, since it is larger than the sum of its proper divisors (129777).

51363463 is a wasteful number, since it uses less digits than its factorization.

51363463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129776.

The product of its digits is 19440, while the sum is 31.

The square root of 51363463 is about 7166.8307500596. The cubic root of 51363463 is about 371.7218577395.

Adding to 51363463 its reverse (36436315), we get a palindrome (87799778).

The spelling of 51363463 in words is "fifty-one million, three hundred sixty-three thousand, four hundred sixty-three".