50654121523 has 4 divisors (see below), whose sum is σ = 50685256600. Its totient is φ = 50622986448.

The previous prime is 50654121449. The next prime is 50654121533. The reversal of 50654121523 is 32512145605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32512145605 = 5 ⋅6502429121.

It is a cyclic number.

It is not a de Polignac number, because 50654121523 - 2¹³ = 50654113331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50654121533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15565098 + ... + 15568351.

It is an arithmetic number, because the mean of its divisors is an integer number (12671314150).

Almost surely, 2^50654121523 is an apocalyptic number.

50654121523 is a deficient number, since it is larger than the sum of its proper divisors (31135077).

50654121523 is a wasteful number, since it uses less digits than its factorization.

50654121523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31135076.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 50654121523 in words is "fifty billion, six hundred fifty-four million, one hundred twenty-one thousand, five hundred twenty-three".