55202066 has 4 divisors (see below), whose sum is σ = 82803102. Its totient is φ = 27601032.

The previous prime is 55202033. The next prime is 55202083. The reversal of 55202066 is 66020255.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 41667025 + 13535041 = 6455^2 + 3679^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13800515 + ... + 13800518.

Almost surely, 2^55202066 is an apocalyptic number.

55202066 is a deficient number, since it is larger than the sum of its proper divisors (27601036).

55202066 is a wasteful number, since it uses less digits than its factorization.

55202066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27601035.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 55202066 is about 7429.8092842280. The cubic root of 55202066 is about 380.7604025821.

The spelling of 55202066 in words is "fifty-five million, two hundred two thousand, sixty-six".