50640553039 has 2 divisors, whose sum is σ = 50640553040. Its totient is φ = 50640553038.

The previous prime is 50640553027. The next prime is 50640553091. The reversal of 50640553039 is 93035504605.

It is a happy number.

50640553039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50640553039 - 2²³ = 50632164431 is a prime.

It is a super-2 number, since 2×50640553039² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50640552992 and 50640553010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50640553009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25320276519 + 25320276520.

It is an arithmetic number, because the mean of its divisors is an integer number (25320276520).

Almost surely, 2^50640553039 is an apocalyptic number.

50640553039 is a deficient number, since it is larger than the sum of its proper divisors (1).

50640553039 is an equidigital number, since it uses as much as digits as its factorization.

50640553039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243000, while the sum is 40.

The spelling of 50640553039 in words is "fifty billion, six hundred forty million, five hundred fifty-three thousand, thirty-nine".