49614778 has 4 divisors (see below), whose sum is σ = 74422170. Its totient is φ = 24807388.

The previous prime is 49614767. The next prime is 49614779. The reversal of 49614778 is 87741694.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29517489 + 20097289 = 5433^2 + 4483^2 .

It is not an unprimeable number, because it can be changed into a prime (49614779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12403693 + ... + 12403696.

Almost surely, 2^49614778 is an apocalyptic number.

49614778 is a deficient number, since it is larger than the sum of its proper divisors (24807392).

49614778 is a wasteful number, since it uses less digits than its factorization.

49614778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24807391.

The product of its digits is 338688, while the sum is 46.

The square root of 49614778 is about 7043.7758340254. The cubic root of 49614778 is about 367.4545963313.

The spelling of 49614778 in words is "forty-nine million, six hundred fourteen thousand, seven hundred seventy-eight".