51837601 has 2 divisors, whose sum is σ = 51837602. Its totient is φ = 51837600.

The previous prime is 51837593. The next prime is 51837613. The reversal of 51837601 is 10673815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47279376 + 4558225 = 6876^2 + 2135^2 .

It is a cyclic number.

It is not a de Polignac number, because 51837601 - 2³ = 51837593 is a prime.

It is not a weakly prime, because it can be changed into another prime (51837631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25918800 + 25918801.

It is an arithmetic number, because the mean of its divisors is an integer number (25918801).

Almost surely, 2^51837601 is an apocalyptic number.

It is an amenable number.

51837601 is a deficient number, since it is larger than the sum of its proper divisors (1).

51837601 is an equidigital number, since it uses as much as digits as its factorization.

51837601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 51837601 is about 7199.8334008503. The cubic root of 51837601 is about 372.8621488890.

The spelling of 51837601 in words is "fifty-one million, eight hundred thirty-seven thousand, six hundred one".