51772763 has 10 divisors (see below), whose sum is σ = 60400764. Its totient is φ = 44374596.

The previous prime is 51772753. The next prime is 51772771. The reversal of 51772763 is 36727715.

It is not a de Polignac number, because 51772763 - 2⁸ = 51772507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51772733) 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 9 ways as a sum of consecutive naturals, for example, 8381 + ... + 13182.

Almost surely, 2^51772763 is an apocalyptic number.

51772763 is a deficient number, since it is larger than the sum of its proper divisors (8628001).

51772763 is an frugal number, since it uses more digits than its factorization.

51772763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21591 (or 21570 counting only the distinct ones).

The product of its digits is 61740, while the sum is 38.

The square root of 51772763 is about 7195.3292488947. The cubic root of 51772763 is about 372.7066265005.

The spelling of 51772763 in words is "fifty-one million, seven hundred seventy-two thousand, seven hundred sixty-three".