55140003 has 12 divisors (see below), whose sum is σ = 79931800. Its totient is φ = 36628416.

The previous prime is 55139969. The next prime is 55140011. The reversal of 55140003 is 30004155.

It is not a de Polignac number, because 55140003 - 2¹⁸ = 54877859 is a prime.

It is a super-3 number, since 3×55140003³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55140013) 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, 8278 + ... + 13371.

Almost surely, 2^55140003 is an apocalyptic number.

55140003 is a deficient number, since it is larger than the sum of its proper divisors (24791797).

55140003 is a wasteful number, since it uses less digits than its factorization.

55140003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21938 (or 21935 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 55140003 is about 7425.6314882978. The cubic root of 55140003 is about 380.6176543350.

Adding to 55140003 its reverse (30004155), we get a palindrome (85144158).

The spelling of 55140003 in words is "fifty-five million, one hundred forty thousand, three".