50051487 has 4 divisors (see below), whose sum is σ = 66735320. Its totient is φ = 33367656.

The previous prime is 50051471. The next prime is 50051489. The reversal of 50051487 is 78415005.

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

It is not a de Polignac number, because 50051487 - 2⁴ = 50051471 is a prime.

It is a super-2 number, since 2×50051487² = 5010302701822338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50051489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8341912 + ... + 8341917.

It is an arithmetic number, because the mean of its divisors is an integer number (16683830).

Almost surely, 2^50051487 is an apocalyptic number.

50051487 is a deficient number, since it is larger than the sum of its proper divisors (16683833).

50051487 is a wasteful number, since it uses less digits than its factorization.

50051487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16683832.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 50051487 is about 7074.7075557934. The cubic root of 50051487 is about 368.5295596374.

The spelling of 50051487 in words is "fifty million, fifty-one thousand, four hundred eighty-seven".