55712233 has 8 divisors (see below), whose sum is σ = 58595328. Its totient is φ = 52867584.

The previous prime is 55712231. The next prime is 55712243. The reversal of 55712233 is 33221755.

55712233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55712233 - 2¹ = 55712231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55712231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6616 + ... + 12457.

It is an arithmetic number, because the mean of its divisors is an integer number (7324416).

Almost surely, 2^55712233 is an apocalyptic number.

It is an amenable number.

55712233 is a deficient number, since it is larger than the sum of its proper divisors (2883095).

55712233 is a wasteful number, since it uses less digits than its factorization.

55712233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19223.

The product of its digits is 6300, while the sum is 28.

The square root of 55712233 is about 7464.0627676889. The cubic root of 55712233 is about 381.9297793132.

Adding to 55712233 its reverse (33221755), we get a palindrome (88933988).

It can be divided in two parts, 55712 and 233, that added together give a triangular number (55945 = T₃₃₄).

The spelling of 55712233 in words is "fifty-five million, seven hundred twelve thousand, two hundred thirty-three".