51005463 has 8 divisors (see below), whose sum is σ = 68098800. Its totient is φ = 33957888.

The previous prime is 51005429. The next prime is 51005473. The reversal of 51005463 is 36450015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51005463 - 2¹² = 51001367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51005473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8748 + ... + 13361.

It is an arithmetic number, because the mean of its divisors is an integer number (8512350).

Almost surely, 2^51005463 is an apocalyptic number.

51005463 is a deficient number, since it is larger than the sum of its proper divisors (17093337).

51005463 is a wasteful number, since it uses less digits than its factorization.

51005463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22881.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 51005463 is about 7141.8109048056. The cubic root of 51005463 is about 370.8562177296.

Adding to 51005463 its reverse (36450015), we get a palindrome (87455478).

The spelling of 51005463 in words is "fifty-one million, five thousand, four hundred sixty-three".