51485763 has 16 divisors (see below), whose sum is σ = 82584320. Its totient is φ = 27871776.

The previous prime is 51485747. The next prime is 51485767. The reversal of 51485763 is 36758415.

It is not a de Polignac number, because 51485763 - 2⁴ = 51485747 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (51485767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64120 + ... + 64917.

It is an arithmetic number, because the mean of its divisors is an integer number (5161520).

Almost surely, 2^51485763 is an apocalyptic number.

51485763 is a deficient number, since it is larger than the sum of its proper divisors (31098557).

51485763 is a wasteful number, since it uses less digits than its factorization.

51485763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129066.

The product of its digits is 100800, while the sum is 39.

The square root of 51485763 is about 7175.3580398472. The cubic root of 51485763 is about 372.0166558041.

The spelling of 51485763 in words is "fifty-one million, four hundred eighty-five thousand, seven hundred sixty-three".