49578055854 has 16 divisors (see below), whose sum is σ = 100781622480. Its totient is φ = 16255100160.

The previous prime is 49578055847. The next prime is 49578055883. The reversal of 49578055854 is 45855087594.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 67729219 + ... + 67729950.

It is an arithmetic number, because the mean of its divisors is an integer number (6298851405).

Almost surely, 2^49578055854 is an apocalyptic number.

49578055854 is an abundant number, since it is smaller than the sum of its proper divisors (51203566626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49578055854 is a wasteful number, since it uses less digits than its factorization.

49578055854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135459235.

The product of its (nonzero) digits is 40320000, while the sum is 60.

The spelling of 49578055854 in words is "forty-nine billion, five hundred seventy-eight million, fifty-five thousand, eight hundred fifty-four".