49556220 has 48 divisors (see below), whose sum is σ = 158581248. Its totient is φ = 11327040.

The previous prime is 49556203. The next prime is 49556231. The reversal of 49556220 is 2265594.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58576 + ... + 59415.

It is an arithmetic number, because the mean of its divisors is an integer number (3303776).

Almost surely, 2^49556220 is an apocalyptic number.

It is an amenable number.

49556220 is an abundant number, since it is smaller than the sum of its proper divisors (109025028).

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

49556220 is a wasteful number, since it uses less digits than its factorization.

49556220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118010 (or 118008 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 49556220 is about 7039.6178873572. The cubic root of 49556220 is about 367.3099762671.

It can be divided in two parts, 4955 and 6220, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 49556220 in words is "forty-nine million, five hundred fifty-six thousand, two hundred twenty".