49187505 has 16 divisors (see below), whose sum is σ = 79481664. Its totient is φ = 25972800.

The previous prime is 49187497. The next prime is 49187507. The reversal of 49187505 is 50578194.

It is not a de Polignac number, because 49187505 - 2³ = 49187497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49187507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14719 + ... + 17748.

It is an arithmetic number, because the mean of its divisors is an integer number (4967604).

Almost surely, 2^49187505 is an apocalyptic number.

It is an amenable number.

49187505 is a deficient number, since it is larger than the sum of its proper divisors (30294159).

49187505 is a wasteful number, since it uses less digits than its factorization.

49187505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32576.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 49187505 is about 7013.3804260143. The cubic root of 49187505 is about 366.3967375149.

The spelling of 49187505 in words is "forty-nine million, one hundred eighty-seven thousand, five hundred five".