51445763 has 2 divisors, whose sum is σ = 51445764. Its totient is φ = 51445762.

The previous prime is 51445747. The next prime is 51445769. The reversal of 51445763 is 36754415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51445763 - 2⁴ = 51445747 is a prime.

It is not a weakly prime, because it can be changed into another prime (51445769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25722881 + 25722882.

It is an arithmetic number, because the mean of its divisors is an integer number (25722882).

Almost surely, 2^51445763 is an apocalyptic number.

51445763 is a deficient number, since it is larger than the sum of its proper divisors (1).

51445763 is an equidigital number, since it uses as much as digits as its factorization.

51445763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 35.

The square root of 51445763 is about 7172.5701809045. The cubic root of 51445763 is about 371.9202892185.

The spelling of 51445763 in words is "fifty-one million, four hundred forty-five thousand, seven hundred sixty-three".