51548462057 has 2 divisors, whose sum is σ = 51548462058. Its totient is φ = 51548462056.

The previous prime is 51548462051. The next prime is 51548462059. The reversal of 51548462057 is 75026484515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45183454096 + 6365007961 = 212564^2 + 79781^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51548462057 is a prime.

Together with 51548462059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51548462051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25774231028 + 25774231029.

It is an arithmetic number, because the mean of its divisors is an integer number (25774231029).

Almost surely, 2^51548462057 is an apocalyptic number.

It is an amenable number.

51548462057 is a deficient number, since it is larger than the sum of its proper divisors (1).

51548462057 is an equidigital number, since it uses as much as digits as its factorization.

51548462057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 51548462057 in words is "fifty-one billion, five hundred forty-eight million, four hundred sixty-two thousand, fifty-seven".