51363005 has 8 divisors (see below), whose sum is σ = 61732824. Its totient is φ = 41025600.

The previous prime is 51362999. The next prime is 51363007. The reversal of 51363005 is 50036315.

It can be written as a sum of positive squares in 4 ways, for example, as 17757796 + 33605209 = 4214^2 + 5797^2 .

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

It is not a de Polignac number, because 51363005 - 2¹⁶ = 51297469 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 (51363007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4466 + ... + 11075.

It is an arithmetic number, because the mean of its divisors is an integer number (7716603).

Almost surely, 2^51363005 is an apocalyptic number.

It is an amenable number.

51363005 is a deficient number, since it is larger than the sum of its proper divisors (10369819).

51363005 is a wasteful number, since it uses less digits than its factorization.

51363005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16207.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 51363005 is about 7166.7987972316. The cubic root of 51363005 is about 371.7207528743.

The spelling of 51363005 in words is "fifty-one million, three hundred sixty-three thousand, five".