51950604533 has 2 divisors, whose sum is σ = 51950604534. Its totient is φ = 51950604532.

The previous prime is 51950604523. The next prime is 51950604569. The reversal of 51950604533 is 33540605915.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47905390129 + 4045214404 = 218873^2 + 63602^2 .

It is a cyclic number.

It is not a de Polignac number, because 51950604533 - 2¹² = 51950600437 is a prime.

It is a super-2 number, since 2×51950604533² (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 (51950604523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25975302266 + 25975302267.

It is an arithmetic number, because the mean of its divisors is an integer number (25975302267).

Almost surely, 2^51950604533 is an apocalyptic number.

It is an amenable number.

51950604533 is a deficient number, since it is larger than the sum of its proper divisors (1).

51950604533 is an equidigital number, since it uses as much as digits as its factorization.

51950604533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243000, while the sum is 41.

The spelling of 51950604533 in words is "fifty-one billion, nine hundred fifty million, six hundred four thousand, five hundred thirty-three".