51354937 has 2 divisors, whose sum is σ = 51354938. Its totient is φ = 51354936.

The previous prime is 51354923. The next prime is 51354983. The reversal of 51354937 is 73945315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51322896 + 32041 = 7164^2 + 179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51354937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51354896 and 51354905.

It is not a weakly prime, because it can be changed into another prime (51354137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25677468 + 25677469.

It is an arithmetic number, because the mean of its divisors is an integer number (25677469).

Almost surely, 2^51354937 is an apocalyptic number.

It is an amenable number.

51354937 is a deficient number, since it is larger than the sum of its proper divisors (1).

51354937 is an equidigital number, since it uses as much as digits as its factorization.

51354937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700, while the sum is 37.

The square root of 51354937 is about 7166.2359017827. The cubic root of 51354937 is about 371.7012887997.

The spelling of 51354937 in words is "fifty-one million, three hundred fifty-four thousand, nine hundred thirty-seven".