49664131 has 8 divisors (see below), whose sum is σ = 54388224. Its totient is φ = 44974920.

The previous prime is 49664093. The next prime is 49664141. The reversal of 49664131 is 13146694.

49664131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49664131 - 2²¹ = 47566979 is a prime.

It is a super-2 number, since 2×49664131² = 4933051815970322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49664141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5691 + ... + 11476.

It is an arithmetic number, because the mean of its divisors is an integer number (6798528).

Almost surely, 2^49664131 is an apocalyptic number.

49664131 is a deficient number, since it is larger than the sum of its proper divisors (4724093).

49664131 is a wasteful number, since it uses less digits than its factorization.

49664131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17441.

The product of its digits is 15552, while the sum is 34.

The square root of 49664131 is about 7047.2782689489. The cubic root of 49664131 is about 367.5763945645.

The spelling of 49664131 in words is "forty-nine million, six hundred sixty-four thousand, one hundred thirty-one".