55641047 has 8 divisors (see below), whose sum is σ = 69370752. Its totient is φ = 43356600.

The previous prime is 55641037. The next prime is 55641049. The reversal of 55641047 is 74014655.

55641047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55641047 - 2⁴ = 55641031 is a prime.

It is a super-2 number, since 2×55641047² = 6191852222512418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55641049) 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 7 ways as a sum of consecutive naturals, for example, 361229 + ... + 361382.

It is an arithmetic number, because the mean of its divisors is an integer number (8671344).

Almost surely, 2^55641047 is an apocalyptic number.

55641047 is a deficient number, since it is larger than the sum of its proper divisors (13729705).

55641047 is a wasteful number, since it uses less digits than its factorization.

55641047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722629.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 55641047 is about 7459.2926608359. The cubic root of 55641047 is about 381.7670404207.

The spelling of 55641047 in words is "fifty-five million, six hundred forty-one thousand, forty-seven".