50121489 has 16 divisors (see below), whose sum is σ = 73554624. Its totient is φ = 30105600.

The previous prime is 50121481. The next prime is 50121529. The reversal of 50121489 is 98412105.

It is a happy number.

It is not a de Polignac number, because 50121489 - 2³ = 50121481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50121481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2992 + ... + 10449.

It is an arithmetic number, because the mean of its divisors is an integer number (4597164).

Almost surely, 2^50121489 is an apocalyptic number.

It is an amenable number.

50121489 is a deficient number, since it is larger than the sum of its proper divisors (23433135).

50121489 is a wasteful number, since it uses less digits than its factorization.

50121489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13568.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 50121489 is about 7079.6531694709. The cubic root of 50121489 is about 368.7012880593.

The spelling of 50121489 in words is "fifty million, one hundred twenty-one thousand, four hundred eighty-nine".