50500055 has 4 divisors (see below), whose sum is σ = 60600072. Its totient is φ = 40400040.

The previous prime is 50500003. The next prime is 50500057. The reversal of 50500055 is 55000505.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 50500055 - 2¹⁶ = 50434519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50500057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050001 + ... + 5050010.

It is an arithmetic number, because the mean of its divisors is an integer number (15150018).

Almost surely, 2^50500055 is an apocalyptic number.

50500055 is a deficient number, since it is larger than the sum of its proper divisors (10100017).

50500055 is a wasteful number, since it uses less digits than its factorization.

50500055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100016.

The product of its (nonzero) digits is 625, while the sum is 20.

The square root of 50500055 is about 7106.3390715614. The cubic root of 50500055 is about 369.6272237737.

The spelling of 50500055 in words is "fifty million, five hundred thousand, fifty-five".