50451445451 has 4 divisors (see below), whose sum is σ = 55037940504. Its totient is φ = 45864950400.

The previous prime is 50451445441. The next prime is 50451445453. The reversal of 50451445451 is 15454415405.

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-50451445451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50451445453) 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, 2293247510 + ... + 2293247531.

It is an arithmetic number, because the mean of its divisors is an integer number (13759485126).

Almost surely, 2^50451445451 is an apocalyptic number.

50451445451 is a deficient number, since it is larger than the sum of its proper divisors (4586495053).

50451445451 is a wasteful number, since it uses less digits than its factorization.

50451445451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4586495052.

The product of its (nonzero) digits is 160000, while the sum is 38.

The spelling of 50451445451 in words is "fifty billion, four hundred fifty-one million, four hundred forty-five thousand, four hundred fifty-one".