50354542131 has 4 divisors (see below), whose sum is σ = 67139389512. Its totient is φ = 33569694752.

The previous prime is 50354542129. The next prime is 50354542141. The reversal of 50354542131 is 13124545305.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50354542131 - 2¹ = 50354542129 is a prime.

It is a super-2 number, since 2×50354542131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50354542092 and 50354542101.

It is not an unprimeable number, because it can be changed into a prime (50354542111) 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, 8392423686 + ... + 8392423691.

It is an arithmetic number, because the mean of its divisors is an integer number (16784847378).

Almost surely, 2^50354542131 is an apocalyptic number.

50354542131 is a deficient number, since it is larger than the sum of its proper divisors (16784847381).

50354542131 is a wasteful number, since it uses less digits than its factorization.

50354542131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16784847380.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 50354542131 in words is "fifty billion, three hundred fifty-four million, five hundred forty-two thousand, one hundred thirty-one".