49805520 has 40 divisors (see below), whose sum is σ = 154397856. Its totient is φ = 13281408.

The previous prime is 49805513. The next prime is 49805533. The reversal of 49805520 is 2550894.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103522 + ... + 104001.

Almost surely, 2^49805520 is an apocalyptic number.

49805520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49805520 is an abundant number, since it is smaller than the sum of its proper divisors (104592336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49805520 is a wasteful number, since it uses less digits than its factorization.

49805520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207539 (or 207533 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 49805520 is about 7057.3026008525. The cubic root of 49805520 is about 367.9248822732.

The spelling of 49805520 in words is "forty-nine million, eight hundred five thousand, five hundred twenty".