55066150 has 12 divisors (see below), whose sum is σ = 102423132. Its totient is φ = 22026440.

The previous prime is 55066139. The next prime is 55066171. The reversal of 55066150 is 5166055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 550612 + ... + 550711.

It is an arithmetic number, because the mean of its divisors is an integer number (8535261).

Almost surely, 2^55066150 is an apocalyptic number.

55066150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55066150 is a deficient number, since it is larger than the sum of its proper divisors (47356982).

55066150 is a wasteful number, since it uses less digits than its factorization.

55066150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101335 (or 1101330 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 55066150 is about 7420.6569790013. The cubic root of 55066150 is about 380.4476488142.

The spelling of 55066150 in words is "fifty-five million, sixty-six thousand, one hundred fifty".