49553145 has 48 divisors (see below), whose sum is σ = 88957440. Its totient is φ = 25504128.

The previous prime is 49553117. The next prime is 49553149. The reversal of 49553145 is 54135594.

It is not a de Polignac number, because 49553145 - 2¹¹ = 49551097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49553149) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 188284 + ... + 188546.

It is an arithmetic number, because the mean of its divisors is an integer number (1853280).

Almost surely, 2^49553145 is an apocalyptic number.

49553145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49553145 is a deficient number, since it is larger than the sum of its proper divisors (39404295).

49553145 is a wasteful number, since it uses less digits than its factorization.

49553145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 403 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 49553145 is about 7039.3994772282. The cubic root of 49553145 is about 367.3023788250.

It can be divided in two parts, 4955 and 3145, that added together give a square (8100 = 90²).

The spelling of 49553145 in words is "forty-nine million, five hundred fifty-three thousand, one hundred forty-five".