55288005 has 16 divisors (see below), whose sum is σ = 93117120. Its totient is φ = 27934848.

The previous prime is 55288003. The next prime is 55288033. The reversal of 55288005 is 50088255.

It is not a de Polignac number, because 55288005 - 2¹ = 55288003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55288003) 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, 96712 + ... + 97281.

It is an arithmetic number, because the mean of its divisors is an integer number (5819820).

Almost surely, 2^55288005 is an apocalyptic number.

It is an amenable number.

55288005 is a deficient number, since it is larger than the sum of its proper divisors (37829115).

55288005 is a wasteful number, since it uses less digits than its factorization.

55288005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194020.

The product of its (nonzero) digits is 16000, while the sum is 33.

The square root of 55288005 is about 7435.5904271282. The cubic root of 55288005 is about 380.9578903730.

The spelling of 55288005 in words is "fifty-five million, two hundred eighty-eight thousand, five".