55288002 has 32 divisors (see below), whose sum is σ = 137862144. Its totient is φ = 14360400.

The previous prime is 55287997. The next prime is 55288003. The reversal of 55288002 is 20088255.

It is not an unprimeable number, because it can be changed into a prime (55288003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59374 + ... + 60297.

It is an arithmetic number, because the mean of its divisors is an integer number (4308192).

Almost surely, 2^55288002 is an apocalyptic number.

55288002 is an abundant number, since it is smaller than the sum of its proper divisors (82574142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55288002 is a wasteful number, since it uses less digits than its factorization.

55288002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119694.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 55288002 is about 7435.5902253957. The cubic root of 55288002 is about 380.9578834825.

It can be divided in two parts, 5528 and 8002, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 55288002 in words is "fifty-five million, two hundred eighty-eight thousand, two".