55551441 has 16 divisors (see below), whose sum is σ = 80928000. Its totient is φ = 33615120.

The previous prime is 55551437. The next prime is 55551449. The reversal of 55551441 is 14415555.

It is not a de Polignac number, because 55551441 - 2² = 55551437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55551399 and 55551408.

It is not an unprimeable number, because it can be changed into a prime (55551449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36310 + ... + 37808.

It is an arithmetic number, because the mean of its divisors is an integer number (5058000).

Almost surely, 2^55551441 is an apocalyptic number.

It is an amenable number.

55551441 is a deficient number, since it is larger than the sum of its proper divisors (25376559).

55551441 is a wasteful number, since it uses less digits than its factorization.

55551441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636.

The product of its digits is 10000, while the sum is 30.

The square root of 55551441 is about 7453.2839071110. The cubic root of 55551441 is about 381.5619939712.

Adding to 55551441 its reverse (14415555), we get a palindrome (69966996).

It can be divided in two parts, 555514 and 41, that added together give a palindrome (555555).

The spelling of 55551441 in words is "fifty-five million, five hundred fifty-one thousand, four hundred forty-one".