50618931956 has 6 divisors (see below), whose sum is σ = 88583130930. Its totient is φ = 25309465976.

The previous prime is 50618931953. The next prime is 50618931973. The reversal of 50618931956 is 65913981605.

It can be written as a sum of positive squares in only one way, i.e., 32882019556 + 17736912400 = 181334^2 + 133180^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50618931898 and 50618931907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50618931953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6327366491 + ... + 6327366498.

It is an arithmetic number, because the mean of its divisors is an integer number (14763855155).

Almost surely, 2^50618931956 is an apocalyptic number.

It is an amenable number.

50618931956 is a deficient number, since it is larger than the sum of its proper divisors (37964198974).

50618931956 is a wasteful number, since it uses less digits than its factorization.

50618931956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12654732993 (or 12654732991 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 53.

The spelling of 50618931956 in words is "fifty billion, six hundred eighteen million, nine hundred thirty-one thousand, nine hundred fifty-six".