50447455 has 4 divisors (see below), whose sum is σ = 60536952. Its totient is φ = 40357960.

The previous prime is 50447437. The next prime is 50447461. The reversal of 50447455 is 55474405.

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

It is a de Polignac number, because none of the positive numbers 2^k-50447455 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50447455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5044741 + ... + 5044750.

It is an arithmetic number, because the mean of its divisors is an integer number (15134238).

Almost surely, 2^50447455 is an apocalyptic number.

50447455 is a deficient number, since it is larger than the sum of its proper divisors (10089497).

50447455 is a wasteful number, since it uses less digits than its factorization.

50447455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10089496.

The product of its (nonzero) digits is 56000, while the sum is 34.

The square root of 50447455 is about 7102.6371862851. The cubic root of 50447455 is about 369.4988467111.

The spelling of 50447455 in words is "fifty million, four hundred forty-seven thousand, four hundred fifty-five".