50724454399 has 4 divisors (see below), whose sum is σ = 50735337136. Its totient is φ = 50713571664.

The previous prime is 50724454373. The next prime is 50724454409. The reversal of 50724454399 is 99345442705.

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

It is a cyclic number.

It is not a de Polignac number, because 50724454399 - 2⁵ = 50724454367 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 (50724454309) 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, 5434374 + ... + 5443699.

It is an arithmetic number, because the mean of its divisors is an integer number (12683834284).

Almost surely, 2^50724454399 is an apocalyptic number.

50724454399 is a deficient number, since it is larger than the sum of its proper divisors (10882737).

50724454399 is a wasteful number, since it uses less digits than its factorization.

50724454399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10882736.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 50724454399 in words is "fifty billion, seven hundred twenty-four million, four hundred fifty-four thousand, three hundred ninety-nine".