51357648053 has 2 divisors, whose sum is σ = 51357648054. Its totient is φ = 51357648052.

The previous prime is 51357647963. The next prime is 51357648059. The reversal of 51357648053 is 35084675315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33068331409 + 18289316644 = 181847^2 + 135238^2 .

It is a cyclic number.

It is not a de Polignac number, because 51357648053 - 2²⁸ = 51089212597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51357647989 and 51357648007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51357648059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25678824026 + 25678824027.

It is an arithmetic number, because the mean of its divisors is an integer number (25678824027).

Almost surely, 2^51357648053 is an apocalyptic number.

It is an amenable number.

51357648053 is a deficient number, since it is larger than the sum of its proper divisors (1).

51357648053 is an equidigital number, since it uses as much as digits as its factorization.

51357648053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 51357648053 in words is "fifty-one billion, three hundred fifty-seven million, six hundred forty-eight thousand, fifty-three".