50353566440 has 32 divisors (see below), whose sum is σ = 113620185000. Its totient is φ = 20083709184.

The previous prime is 50353566409. The next prime is 50353566467. The reversal of 50353566440 is 4466535305.

It can be written as a sum of positive squares in 4 ways, for example, as 40871091556 + 9482474884 = 202166^2 + 97378^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1789535 + ... + 1817454.

Almost surely, 2^50353566440 is an apocalyptic number.

It is an amenable number.

50353566440 is an abundant number, since it is smaller than the sum of its proper divisors (63266618560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50353566440 is a wasteful number, since it uses less digits than its factorization.

50353566440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607349 (or 3607345 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 41.

The spelling of 50353566440 in words is "fifty billion, three hundred fifty-three million, five hundred sixty-six thousand, four hundred forty".