55076223 has 4 divisors (see below), whose sum is σ = 73434968. Its totient is φ = 36717480.

The previous prime is 55076221. The next prime is 55076251. The reversal of 55076223 is 32267055.

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

It is not a de Polignac number, because 55076223 - 2¹ = 55076221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55076221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9179368 + ... + 9179373.

It is an arithmetic number, because the mean of its divisors is an integer number (18358742).

Almost surely, 2^55076223 is an apocalyptic number.

55076223 is a deficient number, since it is larger than the sum of its proper divisors (18358745).

55076223 is a wasteful number, since it uses less digits than its factorization.

55076223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18358744.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 55076223 is about 7421.3356614561. The cubic root of 55076223 is about 380.4708452517.

The spelling of 55076223 in words is "fifty-five million, seventy-six thousand, two hundred twenty-three".