55039066 has 4 divisors (see below), whose sum is σ = 82558602. Its totient is φ = 27519532.

The previous prime is 55039051. The next prime is 55039073. The reversal of 55039066 is 66093055.

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., 49999041 + 5040025 = 7071^2 + 2245^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13759765 + ... + 13759768.

Almost surely, 2^55039066 is an apocalyptic number.

55039066 is a deficient number, since it is larger than the sum of its proper divisors (27519536).

55039066 is a wasteful number, since it uses less digits than its factorization.

55039066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27519535.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 55039066 is about 7418.8318487482. The cubic root of 55039066 is about 380.3852648517.

The spelling of 55039066 in words is "fifty-five million, thirty-nine thousand, sixty-six".