49945554 has 24 divisors (see below), whose sum is σ = 109434780. Its totient is φ = 16460928.

The previous prime is 49945531. The next prime is 49945559. The reversal of 49945554 is 45554994.

49945554 is a `hidden beast` number, since 4 + 9 + 94 + 5 + 554 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 49914225 + 31329 = 7065^2 + 177^2 .

It is not an unprimeable number, because it can be changed into a prime (49945559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13987 + ... + 17190.

Almost surely, 2^49945554 is an apocalyptic number.

49945554 is an abundant number, since it is smaller than the sum of its proper divisors (59489226).

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

49945554 is a wasteful number, since it uses less digits than its factorization.

49945554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31274 (or 31271 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 49945554 is about 7067.2168496516. The cubic root of 49945554 is about 368.2693807784.

The spelling of 49945554 in words is "forty-nine million, nine hundred forty-five thousand, five hundred fifty-four".