50539961563 has 48 divisors (see below), whose sum is σ = 67043172000. Its totient is φ = 37881514944.

The previous prime is 50539961551. The next prime is 50539961581. The reversal of 50539961563 is 36516993505.

It is not a de Polignac number, because 50539961563 - 2²⁵ = 50506407131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50539961563.

It is not an unprimeable number, because it can be changed into a prime (50539961663) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2033053 + ... + 2057761.

It is an arithmetic number, because the mean of its divisors is an integer number (1396732750).

Almost surely, 2^50539961563 is an apocalyptic number.

50539961563 is a deficient number, since it is larger than the sum of its proper divisors (16503210437).

50539961563 is a wasteful number, since it uses less digits than its factorization.

50539961563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24781 (or 24748 counting only the distinct ones).

The product of its (nonzero) digits is 3280500, while the sum is 52.

The spelling of 50539961563 in words is "fifty billion, five hundred thirty-nine million, nine hundred sixty-one thousand, five hundred sixty-three".