51944377 has 2 divisors, whose sum is σ = 51944378. Its totient is φ = 51944376.

The previous prime is 51944371. The next prime is 51944383. The reversal of 51944377 is 77344915.

It is a balanced prime because it is at equal distance from previous prime (51944371) and next prime (51944383).

It can be written as a sum of positive squares in only one way, i.e., 33419961 + 18524416 = 5781^2 + 4304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51944377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51944371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25972188 + 25972189.

It is an arithmetic number, because the mean of its divisors is an integer number (25972189).

Almost surely, 2^51944377 is an apocalyptic number.

It is an amenable number.

51944377 is a deficient number, since it is larger than the sum of its proper divisors (1).

51944377 is an equidigital number, since it uses as much as digits as its factorization.

51944377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 40.

The square root of 51944377 is about 7207.2447578808. The cubic root of 51944377 is about 373.1179826444.

The spelling of 51944377 in words is "fifty-one million, nine hundred forty-four thousand, three hundred seventy-seven".