49648131 has 12 divisors (see below), whose sum is σ = 77230608. Its totient is φ = 30552624.

The previous prime is 49648129. The next prime is 49648147. The reversal of 49648131 is 13184694.

49648131 is a `hidden beast` number, since 4 + 9 + 648 + 1 + 3 + 1 = 666.

It is not a de Polignac number, because 49648131 - 2¹ = 49648129 is a prime.

It is a super-2 number, since 2×49648131² = 4929873823586322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49648231) 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, 212055 + ... + 212288.

It is an arithmetic number, because the mean of its divisors is an integer number (6435884).

Almost surely, 2^49648131 is an apocalyptic number.

49648131 is a deficient number, since it is larger than the sum of its proper divisors (27582477).

49648131 is a wasteful number, since it uses less digits than its factorization.

49648131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424362 (or 424359 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 49648131 is about 7046.1429874790. The cubic root of 49648131 is about 367.5369170189.

The spelling of 49648131 in words is "forty-nine million, six hundred forty-eight thousand, one hundred thirty-one".