49091854 has 16 divisors (see below), whose sum is σ = 84352608. Its totient is φ = 20990592.

The previous prime is 49091849. The next prime is 49091863. The reversal of 49091854 is 45819094.

49091854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2562 + ... + 10234.

It is an arithmetic number, because the mean of its divisors is an integer number (5272038).

Almost surely, 2^49091854 is an apocalyptic number.

49091854 is a deficient number, since it is larger than the sum of its proper divisors (35260754).

49091854 is a wasteful number, since it uses less digits than its factorization.

49091854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8139.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 49091854 is about 7006.5579281128. The cubic root of 49091854 is about 366.1590826057.

The spelling of 49091854 in words is "forty-nine million, ninety-one thousand, eight hundred fifty-four".