51796957 has 2 divisors, whose sum is σ = 51796958. Its totient is φ = 51796956.

The previous prime is 51796919. The next prime is 51796973. The reversal of 51796957 is 75969715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49406841 + 2390116 = 7029^2 + 1546^2 .

It is a cyclic number.

It is not a de Polignac number, because 51796957 - 2¹¹ = 51794909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51796957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51796057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25898478 + 25898479.

It is an arithmetic number, because the mean of its divisors is an integer number (25898479).

Almost surely, 2^51796957 is an apocalyptic number.

It is an amenable number.

51796957 is a deficient number, since it is larger than the sum of its proper divisors (1).

51796957 is an equidigital number, since it uses as much as digits as its factorization.

51796957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 595350, while the sum is 49.

The square root of 51796957 is about 7197.0102820546. The cubic root of 51796957 is about 372.7646741388.

The spelling of 51796957 in words is "fifty-one million, seven hundred ninety-six thousand, nine hundred fifty-seven".