55210543 has 4 divisors (see below), whose sum is σ = 58458240. Its totient is φ = 51962848.

The previous prime is 55210541. The next prime is 55210553. The reversal of 55210543 is 34501255.

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 55210543 - 2¹ = 55210541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55210541) 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, 1623823 + ... + 1623856.

It is an arithmetic number, because the mean of its divisors is an integer number (14614560).

Almost surely, 2^55210543 is an apocalyptic number.

55210543 is a deficient number, since it is larger than the sum of its proper divisors (3247697).

55210543 is a wasteful number, since it uses less digits than its factorization.

55210543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247696.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 55210543 is about 7430.3797345762. The cubic root of 55210543 is about 380.7798918329.

Adding to 55210543 its reverse (34501255), we get a palindrome (89711798).

The spelling of 55210543 in words is "fifty-five million, two hundred ten thousand, five hundred forty-three".