50486978 has 8 divisors (see below), whose sum is σ = 79023168. Its totient is φ = 24145924.

The previous prime is 50486951. The next prime is 50486983. The reversal of 50486978 is 87968405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548726 + ... + 548817.

It is an arithmetic number, because the mean of its divisors is an integer number (9877896).

Almost surely, 2^50486978 is an apocalyptic number.

50486978 is a deficient number, since it is larger than the sum of its proper divisors (28536190).

50486978 is a wasteful number, since it uses less digits than its factorization.

50486978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097568.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 50486978 is about 7105.4189179808. The cubic root of 50486978 is about 369.5953160032.

The spelling of 50486978 in words is "fifty million, four hundred eighty-six thousand, nine hundred seventy-eight".