49525509 has 24 divisors (see below), whose sum is σ = 75331872. Its totient is φ = 28700320.

The previous prime is 49525501. The next prime is 49525517. The reversal of 49525509 is 90552594.

It is an interprime number because it is at equal distance from previous prime (49525501) and next prime (49525517).

It is not a de Polignac number, because 49525509 - 2³ = 49525501 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49525501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16039 + ... + 18875.

It is an arithmetic number, because the mean of its divisors is an integer number (3138828).

Almost surely, 2^49525509 is an apocalyptic number.

It is an amenable number.

49525509 is a deficient number, since it is larger than the sum of its proper divisors (25806363).

49525509 is a wasteful number, since it uses less digits than its factorization.

49525509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897 (or 2874 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 39.

The square root of 49525509 is about 7037.4362519315. The cubic root of 49525509 is about 367.2340840937.

The spelling of 49525509 in words is "forty-nine million, five hundred twenty-five thousand, five hundred nine".