52451857037 has 2 divisors, whose sum is σ = 52451857038. Its totient is φ = 52451857036.

The previous prime is 52451856991. The next prime is 52451857039. The reversal of 52451857037 is 73075815425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52211793001 + 240064036 = 228499^2 + 15494^2 .

It is a cyclic number.

It is not a de Polignac number, because 52451857037 - 2¹⁰ = 52451856013 is a prime.

Together with 52451857039, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 52451856982 and 52451857000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52451857039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26225928518 + 26225928519.

It is an arithmetic number, because the mean of its divisors is an integer number (26225928519).

Almost surely, 2^52451857037 is an apocalyptic number.

It is an amenable number.

52451857037 is a deficient number, since it is larger than the sum of its proper divisors (1).

52451857037 is an equidigital number, since it uses as much as digits as its factorization.

52451857037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176000, while the sum is 47.

The spelling of 52451857037 in words is "fifty-two billion, four hundred fifty-one million, eight hundred fifty-seven thousand, thirty-seven".