51888797 has 2 divisors, whose sum is σ = 51888798. Its totient is φ = 51888796.

The previous prime is 51888787. The next prime is 51888841. The reversal of 51888797 is 79788815.

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., 50993881 + 894916 = 7141^2 + 946^2 .

It is a cyclic number.

It is not a de Polignac number, because 51888797 - 2²⁰ = 50840221 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51888787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25944398 + 25944399.

It is an arithmetic number, because the mean of its divisors is an integer number (25944399).

Almost surely, 2^51888797 is an apocalyptic number.

It is an amenable number.

51888797 is a deficient number, since it is larger than the sum of its proper divisors (1).

51888797 is an equidigital number, since it uses as much as digits as its factorization.

51888797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 53.

The square root of 51888797 is about 7203.3878834893. The cubic root of 51888797 is about 372.9848575625.

The spelling of 51888797 in words is "fifty-one million, eight hundred eighty-eight thousand, seven hundred ninety-seven".