50321042551 has 8 divisors (see below), whose sum is σ = 54197826704. Its totient is φ = 46445106240.

The previous prime is 50321042509. The next prime is 50321042567. The reversal of 50321042551 is 15524012305.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50321042551 - 2¹¹ = 50321040503 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 (50321042581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85905 + ... + 328666.

It is an arithmetic number, because the mean of its divisors is an integer number (6774728338).

Almost surely, 2^50321042551 is an apocalyptic number.

50321042551 is a deficient number, since it is larger than the sum of its proper divisors (3876784153).

50321042551 is a wasteful number, since it uses less digits than its factorization.

50321042551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423921.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 50321042551 its reverse (15524012305), we get a palindrome (65845054856).

The spelling of 50321042551 in words is "fifty billion, three hundred twenty-one million, forty-two thousand, five hundred fifty-one".