50405555 has 8 divisors (see below), whose sum is σ = 61252800. Its totient is φ = 39813696.

The previous prime is 50405543. The next prime is 50405557. The reversal of 50405555 is 55550405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50405555 - 2⁴ = 50405539 is a prime.

50405555 is a modest number, since divided by 5555 gives 5040 as remainder.

It is not an unprimeable number, because it can be changed into a prime (50405557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63410 + ... + 64199.

It is an arithmetic number, because the mean of its divisors is an integer number (7656600).

Almost surely, 2^50405555 is an apocalyptic number.

50405555 is a deficient number, since it is larger than the sum of its proper divisors (10847245).

50405555 is a wasteful number, since it uses less digits than its factorization.

50405555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127693.

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 50405555 is about 7099.6869649302. The cubic root of 50405555 is about 369.3965205056.

The spelling of 50405555 in words is "fifty million, four hundred five thousand, five hundred fifty-five".