50953731501 has 4 divisors (see below), whose sum is σ = 67938308672. Its totient is φ = 33969154332.

The previous prime is 50953731463. The next prime is 50953731503. The reversal of 50953731501 is 10513735905.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 50953731501 - 2¹⁷ = 50953600429 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 50953731501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50953731503) 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, 8492288581 + ... + 8492288586.

It is an arithmetic number, because the mean of its divisors is an integer number (16984577168).

Almost surely, 2^50953731501 is an apocalyptic number.

It is an amenable number.

50953731501 is a deficient number, since it is larger than the sum of its proper divisors (16984577171).

50953731501 is a wasteful number, since it uses less digits than its factorization.

50953731501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16984577170.

The product of its (nonzero) digits is 70875, while the sum is 39.

The spelling of 50953731501 in words is "fifty billion, nine hundred fifty-three million, seven hundred thirty-one thousand, five hundred one".