49155543 has 12 divisors (see below), whose sum is σ = 71515080. Its totient is φ = 32533776.

The previous prime is 49155529. The next prime is 49155559. The reversal of 49155543 is 34555194.

It is not a de Polignac number, because 49155543 - 2⁹ = 49155031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49155498 and 49155507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49155563) 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, 18396 + ... + 20897.

It is an arithmetic number, because the mean of its divisors is an integer number (5959590).

Almost surely, 2^49155543 is an apocalyptic number.

49155543 is a deficient number, since it is larger than the sum of its proper divisors (22359537).

49155543 is a wasteful number, since it uses less digits than its factorization.

49155543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39438 (or 39435 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 49155543 is about 7011.1014113333. The cubic root of 49155543 is about 366.3173588868.

The spelling of 49155543 in words is "forty-nine million, one hundred fifty-five thousand, five hundred forty-three".