50555555 has 16 divisors (see below), whose sum is σ = 63201600.
Its totient is φ = 38774400.
The previous prime is 50555543. The next prime is 50555563. The reversal of 50555555 is 55555505.
It is not a de Polignac number, because 50555555 - 28 = 50555299 is a prime.
50555555 is a modest number, since divided by 5555 gives 5055 as remainder.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20741 + ... + 23049.
It is an arithmetic number, because the mean of its divisors is an integer number (3950100).
Almost surely, 250555555 is an apocalyptic number.
50555555 is a deficient number, since it is larger than the sum of its proper divisors (12646045).
50555555 is a wasteful number, since it uses less digits than its factorization.
50555555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2494.
The product of its (nonzero) digits is 78125, while the sum is 35.
The square root of 50555555 is about 7110.2429634999.
The cubic root of 50555555 is about 369.7625820445.
The spelling of 50555555 in words is "fifty million, five hundred fifty-five thousand, five hundred fifty-five".