51334543552403 has 2 divisors, whose sum is σ = 51334543552404. Its totient is φ = 51334543552402.

The previous prime is 51334543552399. The next prime is 51334543552427. The reversal of 51334543552403 is 30425534543315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51334543552403 - 2² = 51334543552399 is a prime.

It is not a weakly prime, because it can be changed into another prime (51334543552603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25667271776201 + 25667271776202.

It is an arithmetic number, because the mean of its divisors is an integer number (25667271776202).

Almost surely, 2^{51334543552403} is an apocalyptic number.

51334543552403 is a deficient number, since it is larger than the sum of its proper divisors (1).

51334543552403 is an equidigital number, since it uses as much as digits as its factorization.

51334543552403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480000, while the sum is 47.

The spelling of 51334543552403 in words is "fifty-one trillion, three hundred thirty-four billion, five hundred forty-three million, five hundred fifty-two thousand, four hundred three".