55004003439 has 16 divisors (see below), whose sum is σ = 91435226880. Its totient is φ = 28573508160.

The previous prime is 55004003437. The next prime is 55004003441. The reversal of 55004003439 is 93430040055.

It is an interprime number because it is at equal distance from previous prime (55004003437) and next prime (55004003441).

It is not a de Polignac number, because 55004003439 - 2¹ = 55004003437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55004003437) 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, 119056054 + ... + 119056515.

It is an arithmetic number, because the mean of its divisors is an integer number (5714701680).

Almost surely, 2^55004003439 is an apocalyptic number.

55004003439 is a deficient number, since it is larger than the sum of its proper divisors (36431223441).

55004003439 is a wasteful number, since it uses less digits than its factorization.

55004003439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238112590.

The product of its (nonzero) digits is 32400, while the sum is 33.

The spelling of 55004003439 in words is "fifty-five billion, four million, three thousand, four hundred thirty-nine".