49020921 has 12 divisors (see below), whose sum is σ = 70939440. Its totient is φ = 32619960.

The previous prime is 49020913. The next prime is 49020943. The reversal of 49020921 is 12902094.

It is not a de Polignac number, because 49020921 - 2³ = 49020913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49020901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370 + ... + 9908.

It is an arithmetic number, because the mean of its divisors is an integer number (5911620).

Almost surely, 2^49020921 is an apocalyptic number.

It is an amenable number.

49020921 is a deficient number, since it is larger than the sum of its proper divisors (21918519).

49020921 is a wasteful number, since it uses less digits than its factorization.

49020921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10116 (or 10113 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 49020921 is about 7001.4941976695. The cubic root of 49020921 is about 365.9826427315.

The spelling of 49020921 in words is "forty-nine million, twenty thousand, nine hundred twenty-one".