50351142142554 has 256 divisors, whose sum is σ = 118659016765440. Its totient is φ = 14199563347200.

The previous prime is 50351142142481. The next prime is 50351142142583. The reversal of 50351142142554 is 45524124115305.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8209868472 + ... + 8209874604.

It is an arithmetic number, because the mean of its divisors is an integer number (463511784240).

Almost surely, 2^{50351142142554} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50351142142554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59329508382720).

50351142142554 is an abundant number, since it is smaller than the sum of its proper divisors (68307874622886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50351142142554 is a wasteful number, since it uses less digits than its factorization.

50351142142554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7138 (or 7116 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 42.

Adding to 50351142142554 its reverse (45524124115305), we get a palindrome (95875266257859).

The spelling of 50351142142554 in words is "fifty trillion, three hundred fifty-one billion, one hundred forty-two million, one hundred forty-two thousand, five hundred fifty-four".