49359778 has 16 divisors (see below), whose sum is σ = 80471160. Its totient is φ = 22571136.

The previous prime is 49359749. The next prime is 49359809. The reversal of 49359778 is 87795394.

49359778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 47100769 + 2259009 = 6863^2 + 1503^2 .

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, 5875 + ... + 11542.

Almost surely, 2^49359778 is an apocalyptic number.

49359778 is a deficient number, since it is larger than the sum of its proper divisors (31111382).

49359778 is a wasteful number, since it uses less digits than its factorization.

49359778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17541.

The product of its digits is 1905120, while the sum is 52.

The square root of 49359778 is about 7025.6514288712. The cubic root of 49359778 is about 366.8239918076.

The spelling of 49359778 in words is "forty-nine million, three hundred fifty-nine thousand, seven hundred seventy-eight".