55032003 has 12 divisors (see below), whose sum is σ = 85605520. Its totient is φ = 33865776.

The previous prime is 55031989. The next prime is 55032023. The reversal of 55032003 is 30023055.

It is not a de Polignac number, because 55032003 - 2¹³ = 55023811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55032023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235063 + ... + 235296.

Almost surely, 2^55032003 is an apocalyptic number.

55032003 is a deficient number, since it is larger than the sum of its proper divisors (30573517).

55032003 is a wasteful number, since it uses less digits than its factorization.

55032003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470378 (or 470375 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 55032003 is about 7418.3558151386. The cubic root of 55032003 is about 380.3689929182.

Adding to 55032003 its reverse (30023055), we get a palindrome (85055058).

The spelling of 55032003 in words is "fifty-five million, thirty-two thousand, three".