55045033 has 4 divisors (see below), whose sum is σ = 57942160. Its totient is φ = 52147908.

The previous prime is 55045013. The next prime is 55045043. The reversal of 55045033 is 33054055.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55045033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55044989 and 55045007.

It is not an unprimeable number, because it can be changed into a prime (55045013) 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, 1448535 + ... + 1448572.

It is an arithmetic number, because the mean of its divisors is an integer number (14485540).

Almost surely, 2^55045033 is an apocalyptic number.

It is an amenable number.

55045033 is a deficient number, since it is larger than the sum of its proper divisors (2897127).

55045033 is a wasteful number, since it uses less digits than its factorization.

55045033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897126.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 55045033 is about 7419.2339901098. The cubic root of 55045033 is about 380.3990107054.

Adding to 55045033 its reverse (33054055), we get a palindrome (88099088).

The spelling of 55045033 in words is "fifty-five million, forty-five thousand, thirty-three".