50121660 has 48 divisors (see below), whose sum is σ = 143611776. Its totient is φ = 13054272.

The previous prime is 50121653. The next prime is 50121667. The reversal of 50121660 is 6612105.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (50121653) and next prime (50121667).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50121667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7134 + ... + 12293.

It is an arithmetic number, because the mean of its divisors is an integer number (2991912).

Almost surely, 2^50121660 is an apocalyptic number.

It is an amenable number.

50121660 is an abundant number, since it is smaller than the sum of its proper divisors (93490116).

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

50121660 is a wasteful number, since it uses less digits than its factorization.

50121660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19482 (or 19480 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 50121660 is about 7079.6652463234. The cubic root of 50121660 is about 368.7017073595.

Adding to 50121660 its reverse (6612105), we get a palindrome (56733765).

The spelling of 50121660 in words is "fifty million, one hundred twenty-one thousand, six hundred sixty".