50640553061 has 16 divisors (see below), whose sum is σ = 59568330240. Its totient is φ = 42154145280.

The previous prime is 50640553039. The next prime is 50640553091. The reversal of 50640553061 is 16035504605.

It is a cyclic number.

It is not a de Polignac number, because 50640553061 - 2¹⁴ = 50640536677 is a prime.

It is a super-2 number, since 2×50640553061² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50640553091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 716876 + ... + 784341.

It is an arithmetic number, because the mean of its divisors is an integer number (3723020640).

Almost surely, 2^50640553061 is an apocalyptic number.

It is an amenable number.

50640553061 is a deficient number, since it is larger than the sum of its proper divisors (8927777179).

50640553061 is a wasteful number, since it uses less digits than its factorization.

50640553061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501364.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 50640553061 in words is "fifty billion, six hundred forty million, five hundred fifty-three thousand, sixty-one".