50408797451 has 4 divisors (see below), whose sum is σ = 50729872752. Its totient is φ = 50087722152.

The previous prime is 50408797433. The next prime is 50408797459. The reversal of 50408797451 is 15479780405.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50408797451 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 50408797451.

It is not an unprimeable number, because it can be changed into a prime (50408797459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160537415 + ... + 160537728.

It is an arithmetic number, because the mean of its divisors is an integer number (12682468188).

Almost surely, 2^50408797451 is an apocalyptic number.

50408797451 is a deficient number, since it is larger than the sum of its proper divisors (321075301).

50408797451 is a wasteful number, since it uses less digits than its factorization.

50408797451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321075300.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 50408797451 in words is "fifty billion, four hundred eight million, seven hundred ninety-seven thousand, four hundred fifty-one".