49123543 has 16 divisors (see below), whose sum is σ = 57256960. Its totient is φ = 41277600.

The previous prime is 49123541. The next prime is 49123567. The reversal of 49123543 is 34532194.

It is not a de Polignac number, because 49123543 - 2¹ = 49123541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49123541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116473 + ... + 116893.

It is an arithmetic number, because the mean of its divisors is an integer number (3578560).

Almost surely, 2^49123543 is an apocalyptic number.

49123543 is a deficient number, since it is larger than the sum of its proper divisors (8133417).

49123543 is a wasteful number, since it uses less digits than its factorization.

49123543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718.

The product of its digits is 12960, while the sum is 31.

The square root of 49123543 is about 7008.8189447296. The cubic root of 49123543 is about 366.2378514066.

The spelling of 49123543 in words is "forty-nine million, one hundred twenty-three thousand, five hundred forty-three".