51455453033 has 2 divisors, whose sum is σ = 51455453034. Its totient is φ = 51455453032.

The previous prime is 51455452999. The next prime is 51455453047. The reversal of 51455453033 is 33035455415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45203862544 + 6251590489 = 212612^2 + 79067^2 .

It is a cyclic number.

It is not a de Polignac number, because 51455453033 - 2¹⁶ = 51455387497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (51455455033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25727726516 + 25727726517.

It is an arithmetic number, because the mean of its divisors is an integer number (25727726517).

Almost surely, 2^51455453033 is an apocalyptic number.

It is an amenable number.

51455453033 is a deficient number, since it is larger than the sum of its proper divisors (1).

51455453033 is an equidigital number, since it uses as much as digits as its factorization.

51455453033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270000, while the sum is 38.

The spelling of 51455453033 in words is "fifty-one billion, four hundred fifty-five million, four hundred fifty-three thousand, thirty-three".