50136616451 has 4 divisors (see below), whose sum is σ = 50151671304. Its totient is φ = 50121561600.

The previous prime is 50136616429. The next prime is 50136616471. The reversal of 50136616451 is 15461663105.

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 50136616451 - 2³⁴ = 32956747267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50136616421) 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, 7522430 + ... + 7529091.

It is an arithmetic number, because the mean of its divisors is an integer number (12537917826).

Almost surely, 2^50136616451 is an apocalyptic number.

50136616451 is a deficient number, since it is larger than the sum of its proper divisors (15054853).

50136616451 is a wasteful number, since it uses less digits than its factorization.

50136616451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15054852.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 50136616451 in words is "fifty billion, one hundred thirty-six million, six hundred sixteen thousand, four hundred fifty-one".