49187545 has 32 divisors (see below), whose sum is σ = 70419456. Its totient is φ = 32563200.

The previous prime is 49187539. The next prime is 49187549. The reversal of 49187545 is 54578194.

It is not a de Polignac number, because 49187545 - 2⁷ = 49187417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49187549) 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, 28137 + ... + 29833.

It is an arithmetic number, because the mean of its divisors is an integer number (2200608).

Almost surely, 2^49187545 is an apocalyptic number.

It is an amenable number.

49187545 is a deficient number, since it is larger than the sum of its proper divisors (21231911).

49187545 is a wasteful number, since it uses less digits than its factorization.

49187545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761.

The product of its digits is 201600, while the sum is 43.

The square root of 49187545 is about 7013.3832777056. The cubic root of 49187545 is about 366.3968368346.

The spelling of 49187545 in words is "forty-nine million, one hundred eighty-seven thousand, five hundred forty-five".