55005286 has 32 divisors (see below), whose sum is σ = 99190080. Its totient is φ = 22377600.

The previous prime is 55005283. The next prime is 55005317. The reversal of 55005286 is 68250055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005283) 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, 23656 + ... + 25876.

It is an arithmetic number, because the mean of its divisors is an integer number (3099690).

Almost surely, 2^55005286 is an apocalyptic number.

55005286 is a deficient number, since it is larger than the sum of its proper divisors (44184794).

55005286 is a wasteful number, since it uses less digits than its factorization.

55005286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 55005286 is about 7416.5548605805. The cubic root of 55005286 is about 380.3074289626.

The spelling of 55005286 in words is "fifty-five million, five thousand, two hundred eighty-six".