51433322053 has 2 divisors, whose sum is σ = 51433322054. Its totient is φ = 51433322052.

The previous prime is 51433321999. The next prime is 51433322063. The reversal of 51433322053 is 35022333415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38572174404 + 12861147649 = 196398^2 + 113407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51433322053 is a prime.

It is a super-2 number, since 2×51433322053² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51433322063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25716661026 + 25716661027.

It is an arithmetic number, because the mean of its divisors is an integer number (25716661027).

Almost surely, 2^51433322053 is an apocalyptic number.

It is an amenable number.

51433322053 is a deficient number, since it is larger than the sum of its proper divisors (1).

51433322053 is an equidigital number, since it uses as much as digits as its factorization.

51433322053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 51433322053 its reverse (35022333415), we get a palindrome (86455655468).

The spelling of 51433322053 in words is "fifty-one billion, four hundred thirty-three million, three hundred twenty-two thousand, fifty-three".