55543004 has 72 divisors (see below), whose sum is σ = 117062400. Its totient is φ = 22800960.

The previous prime is 55542997. The next prime is 55543039. The reversal of 55543004 is 40034555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 703037 + ... + 703115.

Almost surely, 2^55543004 is an apocalyptic number.

It is an amenable number.

55543004 is an abundant number, since it is smaller than the sum of its proper divisors (61519396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55543004 is a wasteful number, since it uses less digits than its factorization.

55543004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 55543004 is about 7452.7178934936. The cubic root of 55543004 is about 381.5426761313.

Adding to 55543004 its reverse (40034555), we get a palindrome (95577559).

It can be divided in two parts, 5554 and 3004, that added together give a palindrome (8558).

The spelling of 55543004 in words is "fifty-five million, five hundred forty-three thousand, four".