50061887 has 4 divisors (see below), whose sum is σ = 50767056. Its totient is φ = 49356720.

The previous prime is 50061881. The next prime is 50061901. The reversal of 50061887 is 78816005.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 50061887 - 2²⁰ = 49013311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50061881) 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, 352478 + ... + 352619.

It is an arithmetic number, because the mean of its divisors is an integer number (12691764).

Almost surely, 2^50061887 is an apocalyptic number.

50061887 is a deficient number, since it is larger than the sum of its proper divisors (705169).

50061887 is an equidigital number, since it uses as much as digits as its factorization.

50061887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705168.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 50061887 is about 7075.4425303298. The cubic root of 50061887 is about 368.5550829683. Note that the first 3 decimals are identical.

The spelling of 50061887 in words is "fifty million, sixty-one thousand, eight hundred eighty-seven".