50555481645 has 32 divisors (see below), whose sum is σ = 81420514560. Its totient is φ = 26785866240.

The previous prime is 50555481631. The next prime is 50555481649. The reversal of 50555481645 is 54618455505.

It is not a de Polignac number, because 50555481645 - 2¹² = 50555477549 is a prime.

It is a super-3 number, since 3×50555481645³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50555481594 and 50555481603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50555481649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5228115 + ... + 5237775.

It is an arithmetic number, because the mean of its divisors is an integer number (2544391080).

Almost surely, 2^50555481645 is an apocalyptic number.

It is an amenable number.

50555481645 is a deficient number, since it is larger than the sum of its proper divisors (30865032915).

50555481645 is a wasteful number, since it uses less digits than its factorization.

50555481645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11925.

The product of its (nonzero) digits is 2400000, while the sum is 48.

The spelling of 50555481645 in words is "fifty billion, five hundred fifty-five million, four hundred eighty-one thousand, six hundred forty-five".