55541242 has 4 divisors (see below), whose sum is σ = 83311866. Its totient is φ = 27770620.

The previous prime is 55541231. The next prime is 55541257. The reversal of 55541242 is 24214555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24214555 = 5 ⋅4842911.

It can be written as a sum of positive squares in only one way, i.e., 48734361 + 6806881 = 6981^2 + 2609^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55541242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13885309 + ... + 13885312.

Almost surely, 2^55541242 is an apocalyptic number.

55541242 is a deficient number, since it is larger than the sum of its proper divisors (27770624).

55541242 is a wasteful number, since it uses less digits than its factorization.

55541242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27770623.

The product of its digits is 8000, while the sum is 28.

The square root of 55541242 is about 7452.5996806484. The cubic root of 55541242 is about 381.5386415079.

Adding to 55541242 its reverse (24214555), we get a palindrome (79755797).

The spelling of 55541242 in words is "fifty-five million, five hundred forty-one thousand, two hundred forty-two".