51435242451053 has 2 divisors, whose sum is σ = 51435242451054. Its totient is φ = 51435242451052.

The previous prime is 51435242451031. The next prime is 51435242451097. The reversal of 51435242451053 is 35015424253415.

It is a happy number.

It is an a-pointer prime, because the next prime (51435242451097) can be obtained adding 51435242451053 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50092605777769 + 1342636673284 = 7077613^2 + 1158722^2 .

It is a cyclic number.

It is not a de Polignac number, because 51435242451053 - 2⁸ = 51435242450797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51435242450995 and 51435242451013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51435242451353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25717621225526 + 25717621225527.

It is an arithmetic number, because the mean of its divisors is an integer number (25717621225527).

Almost surely, 2^{51435242451053} is an apocalyptic number.

It is an amenable number.

51435242451053 is a deficient number, since it is larger than the sum of its proper divisors (1).

51435242451053 is an equidigital number, since it uses as much as digits as its factorization.

51435242451053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440000, while the sum is 44.

The spelling of 51435242451053 in words is "fifty-one trillion, four hundred thirty-five billion, two hundred forty-two million, four hundred fifty-one thousand, fifty-three".