50149478 has 16 divisors (see below), whose sum is σ = 77263200. Its totient is φ = 24398400.

The previous prime is 50149471. The next prime is 50149511. The reversal of 50149478 is 87494105.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50149471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48608 + ... + 49628.

It is an arithmetic number, because the mean of its divisors is an integer number (4828950).

Almost surely, 2^50149478 is an apocalyptic number.

50149478 is a deficient number, since it is larger than the sum of its proper divisors (27113722).

50149478 is a wasteful number, since it uses less digits than its factorization.

50149478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 50149478 is about 7081.6296147144. The cubic root of 50149478 is about 368.7699057338.

The spelling of 50149478 in words is "fifty million, one hundred forty-nine thousand, four hundred seventy-eight".