55066146 has 16 divisors (see below), whose sum is σ = 111144000. Its totient is φ = 18186768.

The previous prime is 55066139. The next prime is 55066171. The reversal of 55066146 is 64166055.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 41446 + ... + 42753.

It is an arithmetic number, because the mean of its divisors is an integer number (6946500).

Almost surely, 2^55066146 is an apocalyptic number.

55066146 is an abundant number, since it is smaller than the sum of its proper divisors (56077854).

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

55066146 is a wasteful number, since it uses less digits than its factorization.

55066146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84313.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 55066146 is about 7420.6567094833. The cubic root of 55066146 is about 380.4476396023.

Subtracting 55066146 from its reverse (64166055), we obtain a palindrome (9099909).

The spelling of 55066146 in words is "fifty-five million, sixty-six thousand, one hundred forty-six".