49628978 has 8 divisors (see below), whose sum is σ = 85078272. Its totient is φ = 21269556.

The previous prime is 49628941. The next prime is 49628987. The reversal of 49628978 is 87982694.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1772450 + ... + 1772477.

It is an arithmetic number, because the mean of its divisors is an integer number (10634784).

Almost surely, 2^49628978 is an apocalyptic number.

49628978 is a deficient number, since it is larger than the sum of its proper divisors (35449294).

49628978 is a wasteful number, since it uses less digits than its factorization.

49628978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544936.

The product of its digits is 1741824, while the sum is 53.

The square root of 49628978 is about 7044.7837440194. The cubic root of 49628978 is about 367.4896487744.

The spelling of 49628978 in words is "forty-nine million, six hundred twenty-eight thousand, nine hundred seventy-eight".