51950737 has 2 divisors, whose sum is σ = 51950738. Its totient is φ = 51950736.

The previous prime is 51950719. The next prime is 51950777. The reversal of 51950737 is 73705915.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26306641 + 25644096 = 5129^2 + 5064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51950737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51950696 and 51950705.

It is not a weakly prime, because it can be changed into another prime (51950777) 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, 25975368 + 25975369.

It is an arithmetic number, because the mean of its divisors is an integer number (25975369).

Almost surely, 2^51950737 is an apocalyptic number.

It is an amenable number.

51950737 is a deficient number, since it is larger than the sum of its proper divisors (1).

51950737 is an equidigital number, since it uses as much as digits as its factorization.

51950737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33075, while the sum is 37.

The square root of 51950737 is about 7207.6859670771. The cubic root of 51950737 is about 373.1332100451.

The spelling of 51950737 in words is "fifty-one million, nine hundred fifty thousand, seven hundred thirty-seven".