49553163578 has 8 divisors (see below), whose sum is σ = 74347838400. Its totient is φ = 24770550780.

The previous prime is 49553163571. The next prime is 49553163581. The reversal of 49553163578 is 87536135594.

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

It is not an unprimeable number, because it can be changed into a prime (49553163571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3005228 + ... + 3021671.

It is an arithmetic number, because the mean of its divisors is an integer number (9293479800).

Almost surely, 2^49553163578 is an apocalyptic number.

49553163578 is a deficient number, since it is larger than the sum of its proper divisors (24794674822).

49553163578 is a wasteful number, since it uses less digits than its factorization.

49553163578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6031012.

The product of its digits is 13608000, while the sum is 56.

The spelling of 49553163578 in words is "forty-nine billion, five hundred fifty-three million, one hundred sixty-three thousand, five hundred seventy-eight".