55047005 has 8 divisors (see below), whose sum is σ = 71137752. Its totient is φ = 40650048.

The previous prime is 55046977. The next prime is 55047023. The reversal of 55047005 is 50074055.

It can be written as a sum of positive squares in 4 ways, for example, as 375769 + 54671236 = 613^2 + 7394^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 55047005 - 2⁸ = 55046749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423374 + ... + 423503.

It is an arithmetic number, because the mean of its divisors is an integer number (8892219).

Almost surely, 2^55047005 is an apocalyptic number.

It is an amenable number.

55047005 is a deficient number, since it is larger than the sum of its proper divisors (16090747).

55047005 is a wasteful number, since it uses less digits than its factorization.

55047005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846895.

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 55047005 is about 7419.3668867364. The cubic root of 55047005 is about 380.4035532763.

The spelling of 55047005 in words is "fifty-five million, forty-seven thousand, five".