55047013641 has 45 divisors (see below), whose sum is σ = 83281721853. Its totient is φ = 36234867240.

The previous prime is 55047013543. The next prime is 55047013657. The reversal of 55047013641 is 14631074055.

The square root of 55047013641 is 234621.

It is a perfect power (a square), and thus also a powerful number.

55047013641 is a `hidden beast` number, since 5 + 5 + 0 + 4 + 7 + 0 + 1 + 3 + 641 = 666.

It is not a de Polignac number, because 55047013641 - 2⁷ = 55047013513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55047013596 and 55047013605.

It is not an unprimeable number, because it can be changed into a prime (55047013141) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 276618060 + ... + 276618258.

Almost surely, 2^55047013641 is an apocalyptic number.

55047013641 is the 234621-st square number.

55047013641 is the 117311-st centered octagonal number.

It is an amenable number.

55047013641 is a deficient number, since it is larger than the sum of its proper divisors (28234708212).

55047013641 is an frugal number, since it uses more digits than its factorization.

55047013641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

Multiplying 55047013641 by its sum of digits (36), we get a square (1981692491076 = 1407726²).

Adding to 55047013641 its reverse (14631074055), we get a palindrome (69678087696).

The spelling of 55047013641 in words is "fifty-five billion, forty-seven million, thirteen thousand, six hundred forty-one".