50144312251 has 16 divisors (see below), whose sum is σ = 58370797440. Its totient is φ = 42594880320.

The previous prime is 50144312237. The next prime is 50144312269. The reversal of 50144312251 is 15221344105.

It is a cyclic number.

It is not a de Polignac number, because 50144312251 - 2⁹ = 50144311739 is a prime.

It is a super-2 number, since 2×50144312251² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50144312221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1628065 + ... + 1658578.

It is an arithmetic number, because the mean of its divisors is an integer number (3648174840).

Almost surely, 2^50144312251 is an apocalyptic number.

50144312251 is a deficient number, since it is larger than the sum of its proper divisors (8226485189).

50144312251 is a wasteful number, since it uses less digits than its factorization.

50144312251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286746.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 50144312251 its reverse (15221344105), we get a palindrome (65365656356).

The spelling of 50144312251 in words is "fifty billion, one hundred forty-four million, three hundred twelve thousand, two hundred fifty-one".