49725249 has 12 divisors (see below), whose sum is σ = 77125104. Its totient is φ = 28414344.

The previous prime is 49725239. The next prime is 49725253. The reversal of 49725249 is 94252794.

It is not a de Polignac number, because 49725249 - 2⁴ = 49725233 is a prime.

It is a super-2 number, since 2×49725249² = 4945200776224002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49725249.

It is not an unprimeable number, because it can be changed into a prime (49725239) 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, 168987 + ... + 169280.

It is an arithmetic number, because the mean of its divisors is an integer number (6427092).

Almost surely, 2^49725249 is an apocalyptic number.

49725249 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

49725249 is a deficient number, since it is larger than the sum of its proper divisors (27399855).

49725249 is a wasteful number, since it uses less digits than its factorization.

49725249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338284 (or 338277 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 49725249 is about 7051.6132196824. The cubic root of 49725249 is about 367.7271158488.

The spelling of 49725249 in words is "forty-nine million, seven hundred twenty-five thousand, two hundred forty-nine".