49775445 has 32 divisors (see below), whose sum is σ = 88851840. Its totient is φ = 26438400.

The previous prime is 49775443. The next prime is 49775477. The reversal of 49775445 is 54457794.

It is not a de Polignac number, because 49775445 - 2¹ = 49775443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 49775445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49775441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40845 + ... + 42045.

It is an arithmetic number, because the mean of its divisors is an integer number (2776620).

Almost surely, 2^49775445 is an apocalyptic number.

49775445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49775445 is a deficient number, since it is larger than the sum of its proper divisors (39076395).

49775445 is a wasteful number, since it uses less digits than its factorization.

49775445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522 (or 1516 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 49775445 is about 7055.1715074830. The cubic root of 49775445 is about 367.8508103709.

The spelling of 49775445 in words is "forty-nine million, seven hundred seventy-five thousand, four hundred forty-five".