55132543 has 4 divisors (see below), whose sum is σ = 55529320. Its totient is φ = 54735768.

The previous prime is 55132531. The next prime is 55132603. The reversal of 55132543 is 34523155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34523155 = 5 ⋅6904631.

It is a cyclic number.

It is not a de Polignac number, because 55132543 - 2¹³ = 55124351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55132843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198180 + ... + 198457.

It is an arithmetic number, because the mean of its divisors is an integer number (13882330).

Almost surely, 2^55132543 is an apocalyptic number.

55132543 is a deficient number, since it is larger than the sum of its proper divisors (396777).

55132543 is a wasteful number, since it uses less digits than its factorization.

55132543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396776.

The product of its digits is 9000, while the sum is 28.

The square root of 55132543 is about 7425.1291571258. The cubic root of 55132543 is about 380.6004887226.

Adding to 55132543 its reverse (34523155), we get a palindrome (89655698).

It can be divided in two parts, 551325 and 43, that added together give a cube (551368 = 82³).

The spelling of 55132543 in words is "fifty-five million, one hundred thirty-two thousand, five hundred forty-three".