50154121 has 4 divisors (see below), whose sum is σ = 50473732. Its totient is φ = 49834512.

The previous prime is 50154107. The next prime is 50154127. The reversal of 50154121 is 12145105.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8732025 + 41422096 = 2955^2 + 6436^2 .

It is a cyclic number.

It is not a de Polignac number, because 50154121 - 2⁵ = 50154089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50154127) 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, 159570 + ... + 159883.

It is an arithmetic number, because the mean of its divisors is an integer number (12618433).

Almost surely, 2^50154121 is an apocalyptic number.

It is an amenable number.

50154121 is a deficient number, since it is larger than the sum of its proper divisors (319611).

50154121 is a wasteful number, since it uses less digits than its factorization.

50154121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319610.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 50154121 is about 7081.9574271525. The cubic root of 50154121 is about 368.7812860173.

Adding to 50154121 its reverse (12145105), we get a palindrome (62299226).

The spelling of 50154121 in words is "fifty million, one hundred fifty-four thousand, one hundred twenty-one".