50632121 has 4 divisors (see below), whose sum is σ = 50670372. Its totient is φ = 50593872.

The previous prime is 50632111. The next prime is 50632133. The reversal of 50632121 is 12123605.

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 47955625 + 2676496 = 6925^2 + 1636^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50632121 is a prime.

It is a super-2 number, since 2×50632121² = 5127223353917282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50632093 and 50632102.

It is not an unprimeable number, because it can be changed into a prime (50632111) 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, 17066 + ... + 19811.

It is an arithmetic number, because the mean of its divisors is an integer number (12667593).

Almost surely, 2^50632121 is an apocalyptic number.

It is an amenable number.

50632121 is a deficient number, since it is larger than the sum of its proper divisors (38251).

50632121 is a wasteful number, since it uses less digits than its factorization.

50632121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38250.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 50632121 is about 7115.6251306544. The cubic root of 50632121 is about 369.9491554190.

Adding to 50632121 its reverse (12123605), we get a palindrome (62755726).

The spelling of 50632121 in words is "fifty million, six hundred thirty-two thousand, one hundred twenty-one".