55020541 has 4 divisors (see below), whose sum is σ = 55249084. Its totient is φ = 54792000.

The previous prime is 55020529. The next prime is 55020547. The reversal of 55020541 is 14502055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14502055 = 5 ⋅2900411.

It can be written as a sum of positive squares in 2 ways, for example, as 35748441 + 19272100 = 5979^2 + 4390^2 .

It is a cyclic number.

It is not a de Polignac number, because 55020541 - 2¹⁷ = 54889469 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 (55020547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113910 + ... + 114391.

It is an arithmetic number, because the mean of its divisors is an integer number (13812271).

Almost surely, 2^55020541 is an apocalyptic number.

It is an amenable number.

55020541 is a deficient number, since it is larger than the sum of its proper divisors (228543).

55020541 is a wasteful number, since it uses less digits than its factorization.

55020541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228542.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 55020541 is about 7417.5832317541. The cubic root of 55020541 is about 380.3425834845.

Adding to 55020541 its reverse (14502055), we get a palindrome (69522596).

It can be divided in two parts, 5502054 and 1, that added together give a palindrome (5502055).

The spelling of 55020541 in words is "fifty-five million, twenty thousand, five hundred forty-one".