49494531 has 8 divisors (see below), whose sum is σ = 69874704. Its totient is φ = 31055360.

The previous prime is 49494521. The next prime is 49494547. The reversal of 49494531 is 13549494.

49494531 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 49494531 - 2⁵ = 49494499 is a prime.

It is a super-2 number, since 2×49494531² = 4899417197819922, 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 49494531.

It is not an unprimeable number, because it can be changed into a prime (49494521) 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, 485190 + ... + 485291.

It is an arithmetic number, because the mean of its divisors is an integer number (8734338).

Almost surely, 2^49494531 is an apocalyptic number.

49494531 is a deficient number, since it is larger than the sum of its proper divisors (20380173).

49494531 is a wasteful number, since it uses less digits than its factorization.

49494531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970501.

The product of its digits is 77760, while the sum is 39.

The square root of 49494531 is about 7035.2349640932. The cubic root of 49494531 is about 367.1575003262.

The spelling of 49494531 in words is "forty-nine million, four hundred ninety-four thousand, five hundred thirty-one".