49553678 has 4 divisors (see below), whose sum is σ = 74330520. Its totient is φ = 24776838.

The previous prime is 49553633. The next prime is 49553681. The reversal of 49553678 is 87635594.

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

It is a Curzon number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 12388418 + ... + 12388421.

It is an arithmetic number, because the mean of its divisors is an integer number (18582630).

Almost surely, 2^49553678 is an apocalyptic number.

49553678 is a deficient number, since it is larger than the sum of its proper divisors (24776842).

49553678 is a wasteful number, since it uses less digits than its factorization.

49553678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24776841.

The product of its digits is 907200, while the sum is 47.

The square root of 49553678 is about 7039.4373354694. The cubic root of 49553678 is about 367.3036957375.

The spelling of 49553678 in words is "forty-nine million, five hundred fifty-three thousand, six hundred seventy-eight".