51029773 has 2 divisors, whose sum is σ = 51029774. Its totient is φ = 51029772.

The previous prime is 51029747. The next prime is 51029791. The reversal of 51029773 is 37792015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51008164 + 21609 = 7142^2 + 147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51029773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51029723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25514886 + 25514887.

It is an arithmetic number, because the mean of its divisors is an integer number (25514887).

Almost surely, 2^51029773 is an apocalyptic number.

It is an amenable number.

51029773 is a deficient number, since it is larger than the sum of its proper divisors (1).

51029773 is an equidigital number, since it uses as much as digits as its factorization.

51029773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 51029773 is about 7143.5126513502. The cubic root of 51029773 is about 370.9151269927.

The spelling of 51029773 in words is "fifty-one million, twenty-nine thousand, seven hundred seventy-three".