50978146 has 8 divisors (see below), whose sum is σ = 76525020. Its totient is φ = 25469808.

The previous prime is 50978141. The next prime is 50978149. The reversal of 50978146 is 64187905.

50978146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 50765625 + 212521 = 7125^2 + 461^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 50978099 and 50978108.

It is not an unprimeable number, because it can be changed into a prime (50978141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6061 + ... + 11776.

Almost surely, 2^50978146 is an apocalyptic number.

50978146 is a deficient number, since it is larger than the sum of its proper divisors (25546874).

50978146 is a wasteful number, since it uses less digits than its factorization.

50978146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19268.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 50978146 is about 7139.8981785457. The cubic root of 50978146 is about 370.7899994083.

The spelling of 50978146 in words is "fifty million, nine hundred seventy-eight thousand, one hundred forty-six".