55735543 has 4 divisors (see below), whose sum is σ = 55917400. Its totient is φ = 55553688.

The previous prime is 55735541. The next prime is 55735549. The reversal of 55735543 is 34553755.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55735543 - 2¹ = 55735541 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 (55735541) 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, 90468 + ... + 91081.

It is an arithmetic number, because the mean of its divisors is an integer number (13979350).

Almost surely, 2^55735543 is an apocalyptic number.

55735543 is a deficient number, since it is larger than the sum of its proper divisors (181857).

55735543 is a wasteful number, since it uses less digits than its factorization.

55735543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181856.

The product of its digits is 157500, while the sum is 37.

The square root of 55735543 is about 7465.6240864378. The cubic root of 55735543 is about 381.9830383631.

It can be divided in two parts, 557 and 35543, that added together give a square (36100 = 190²).

The spelling of 55735543 in words is "fifty-five million, seven hundred thirty-five thousand, five hundred forty-three".