55554005 has 16 divisors (see below), whose sum is σ = 75573120. Its totient is φ = 38864448.

The previous prime is 55553999. The next prime is 55554007. The reversal of 55554005 is 50045555.

It is a cyclic number.

It is not a de Polignac number, because 55554005 - 2¹² = 55549909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55554007) 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, 21257 + ... + 23726.

It is an arithmetic number, because the mean of its divisors is an integer number (4723320).

Almost surely, 2^55554005 is an apocalyptic number.

It is an amenable number.

55554005 is a deficient number, since it is larger than the sum of its proper divisors (20019115).

55554005 is a wasteful number, since it uses less digits than its factorization.

55554005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45020.

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 55554005 is about 7453.4559098448. The cubic root of 55554005 is about 381.5678642654.

The spelling of 55554005 in words is "fifty-five million, five hundred fifty-four thousand, five".