50423155 has 4 divisors (see below), whose sum is σ = 60507792. Its totient is φ = 40338520.

The previous prime is 50423147. The next prime is 50423159. The reversal of 50423155 is 55132405.

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

It is not a de Polignac number, because 50423155 - 2³ = 50423147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50423159) 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, 5042311 + ... + 5042320.

It is an arithmetic number, because the mean of its divisors is an integer number (15126948).

Almost surely, 2^50423155 is an apocalyptic number.

50423155 is a deficient number, since it is larger than the sum of its proper divisors (10084637).

50423155 is a wasteful number, since it uses less digits than its factorization.

50423155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10084636.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 50423155 is about 7100.9263480197. The cubic root of 50423155 is about 369.4395093006.

The spelling of 50423155 in words is "fifty million, four hundred twenty-three thousand, one hundred fifty-five".