55322066 has 4 divisors (see below), whose sum is σ = 82983102. Its totient is φ = 27661032.

The previous prime is 55322051. The next prime is 55322081. The reversal of 55322066 is 66022355.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (55322051) and next prime (55322081).

It can be written as a sum of positive squares in only one way, i.e., 35652841 + 19669225 = 5971^2 + 4435^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13830515 + ... + 13830518.

Almost surely, 2^55322066 is an apocalyptic number.

55322066 is a deficient number, since it is larger than the sum of its proper divisors (27661036).

55322066 is a wasteful number, since it uses less digits than its factorization.

55322066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27661035.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 55322066 is about 7437.8804776630. The cubic root of 55322066 is about 381.0361059098.

The spelling of 55322066 in words is "fifty-five million, three hundred twenty-two thousand, sixty-six".