50751321537 has 16 divisors (see below), whose sum is σ = 78489608192. Its totient is φ = 28567907280.

The previous prime is 50751321529. The next prime is 50751321541. The reversal of 50751321537 is 73512315705.

It is not a de Polignac number, because 50751321537 - 2³ = 50751321529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50751321495 and 50751321504.

It is not an unprimeable number, because it can be changed into a prime (50751321547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18033889 + ... + 18036702.

It is an arithmetic number, because the mean of its divisors is an integer number (4905600512).

Almost surely, 2^50751321537 is an apocalyptic number.

It is an amenable number.

50751321537 is a deficient number, since it is larger than the sum of its proper divisors (27738286655).

50751321537 is a wasteful number, since it uses less digits than its factorization.

50751321537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36070668.

The product of its (nonzero) digits is 110250, while the sum is 39.

The spelling of 50751321537 in words is "fifty billion, seven hundred fifty-one million, three hundred twenty-one thousand, five hundred thirty-seven".