51157763 has 2 divisors, whose sum is σ = 51157764. Its totient is φ = 51157762.

The previous prime is 51157753. The next prime is 51157787. The reversal of 51157763 is 36775115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51157763 - 2¹² = 51153667 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51157753) 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 as a sum of consecutive naturals, namely, 25578881 + 25578882.

It is an arithmetic number, because the mean of its divisors is an integer number (25578882).

Almost surely, 2^51157763 is an apocalyptic number.

51157763 is a deficient number, since it is larger than the sum of its proper divisors (1).

51157763 is an equidigital number, since it uses as much as digits as its factorization.

51157763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22050, while the sum is 35.

The square root of 51157763 is about 7152.4655189662. The cubic root of 51157763 is about 371.2249708967.

The spelling of 51157763 in words is "fifty-one million, one hundred fifty-seven thousand, seven hundred sixty-three".