55045003 has 16 divisors (see below), whose sum is σ = 62205696. Its totient is φ = 48327840.

The previous prime is 55044991. The next prime is 55045007. The reversal of 55045003 is 30054055.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55045003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55045007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67468 + ... + 68278.

It is an arithmetic number, because the mean of its divisors is an integer number (3887856).

Almost surely, 2^55045003 is an apocalyptic number.

55045003 is a deficient number, since it is larger than the sum of its proper divisors (7160693).

55045003 is a wasteful number, since it uses less digits than its factorization.

55045003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 55045003 is about 7419.2319683374. The cubic root of 55045003 is about 380.3989415985.

Adding to 55045003 its reverse (30054055), we get a palindrome (85099058).

The spelling of 55045003 in words is "fifty-five million, forty-five thousand, three".