49681245 has 32 divisors (see below), whose sum is σ = 82051200. Its totient is φ = 25657344.

The previous prime is 49681243. The next prime is 49681253. The reversal of 49681245 is 54218694.

It is not a de Polignac number, because 49681245 - 2¹ = 49681243 is a prime.

It is a super-2 number, since 2×49681245² = 4936452209500050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49681243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64221 + ... + 64989.

It is an arithmetic number, because the mean of its divisors is an integer number (2564100).

Almost surely, 2^49681245 is an apocalyptic number.

It is an amenable number.

49681245 is a deficient number, since it is larger than the sum of its proper divisors (32369955).

49681245 is a wasteful number, since it uses less digits than its factorization.

49681245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909.

The product of its digits is 69120, while the sum is 39.

The square root of 49681245 is about 7048.4923919942. The cubic root of 49681245 is about 367.6186113506.

The spelling of 49681245 in words is "forty-nine million, six hundred eighty-one thousand, two hundred forty-five".