49572945 has 16 divisors (see below), whose sum is σ = 88129920. Its totient is φ = 26438832.

The previous prime is 49572923. The next prime is 49572949. The reversal of 49572945 is 54927594.

49572945 is a `hidden beast` number, since 495 + 72 + 94 + 5 = 666.

49572945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49572945 - 2¹¹ = 49570897 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 49572945.

It is not an unprimeable number, because it can be changed into a prime (49572949) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 183469 + ... + 183738.

It is an arithmetic number, because the mean of its divisors is an integer number (5508120).

Almost surely, 2^49572945 is an apocalyptic number.

49572945 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49572945 is a deficient number, since it is larger than the sum of its proper divisors (38556975).

49572945 is a wasteful number, since it uses less digits than its factorization.

49572945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367221 (or 367215 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 49572945 is about 7040.8057067356. The cubic root of 49572945 is about 367.3512934376.

The spelling of 49572945 in words is "forty-nine million, five hundred seventy-two thousand, nine hundred forty-five".