49721125 has 16 divisors (see below), whose sum is σ = 62300160. Its totient is φ = 39618000.

The previous prime is 49721083. The next prime is 49721137. The reversal of 49721125 is 52112794.

It is not a de Polignac number, because 49721125 - 2⁹ = 49720613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38236 + ... + 39514.

It is an arithmetic number, because the mean of its divisors is an integer number (3893760).

Almost surely, 2^49721125 is an apocalyptic number.

It is an amenable number.

49721125 is a deficient number, since it is larger than the sum of its proper divisors (12579035).

49721125 is a wasteful number, since it uses less digits than its factorization.

49721125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605 (or 1595 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 49721125 is about 7051.3207982618. The cubic root of 49721125 is about 367.7169496617.

The spelling of 49721125 in words is "forty-nine million, seven hundred twenty-one thousand, one hundred twenty-five".