55621041 has 16 divisors (see below), whose sum is σ = 85378944. Its totient is φ = 31549824.

The previous prime is 55621031. The next prime is 55621063. The reversal of 55621041 is 14012655.

55621041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55621041 - 2⁹ = 55620529 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55621021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6790 + ... + 12543.

It is an arithmetic number, because the mean of its divisors is an integer number (5336184).

Almost surely, 2^55621041 is an apocalyptic number.

It is an amenable number.

55621041 is a deficient number, since it is larger than the sum of its proper divisors (29757903).

55621041 is a wasteful number, since it uses less digits than its factorization.

55621041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19480.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 55621041 is about 7457.9515284024. The cubic root of 55621041 is about 381.7212795577.

Adding to 55621041 its reverse (14012655), we get a palindrome (69633696).

The spelling of 55621041 in words is "fifty-five million, six hundred twenty-one thousand, forty-one".