50478687 has 32 divisors (see below), whose sum is σ = 89971200. Its totient is φ = 27324864.

The previous prime is 50478683. The next prime is 50478739. The reversal of 50478687 is 78687405.

It is not a de Polignac number, because 50478687 - 2² = 50478683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50478683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3438 + ... + 10619.

It is an arithmetic number, because the mean of its divisors is an integer number (2811600).

Almost surely, 2^50478687 is an apocalyptic number.

50478687 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

50478687 is a deficient number, since it is larger than the sum of its proper divisors (39492513).

50478687 is a wasteful number, since it uses less digits than its factorization.

50478687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14092 (or 14086 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 50478687 is about 7104.8354660752. The cubic root of 50478687 is about 369.5750831786.

The spelling of 50478687 in words is "fifty million, four hundred seventy-eight thousand, six hundred eighty-seven".