51037577 has 2 divisors, whose sum is σ = 51037578. Its totient is φ = 51037576.

The previous prime is 51037561. The next prime is 51037601. The reversal of 51037577 is 77573015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51036736 + 841 = 7144^2 + 29^2 .

It is a cyclic number.

It is not a de Polignac number, because 51037577 - 2⁴ = 51037561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51037177) 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, 25518788 + 25518789.

It is an arithmetic number, because the mean of its divisors is an integer number (25518789).

Almost surely, 2^51037577 is an apocalyptic number.

It is an amenable number.

51037577 is a deficient number, since it is larger than the sum of its proper divisors (1).

51037577 is an equidigital number, since it uses as much as digits as its factorization.

51037577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25725, while the sum is 35.

The square root of 51037577 is about 7144.0588603398. The cubic root of 51037577 is about 370.9340340864.

The spelling of 51037577 in words is "fifty-one million, thirty-seven thousand, five hundred seventy-seven".