55434004 has 12 divisors (see below), whose sum is σ = 97086528. Its totient is φ = 27695000.

The previous prime is 55433999. The next prime is 55434007. The reversal of 55434004 is 40043455.

It is a self number, because there is not a number n which added to its sum of digits gives 55434004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55434007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1029 + ... + 10579.

It is an arithmetic number, because the mean of its divisors is an integer number (8090544).

Almost surely, 2^55434004 is an apocalyptic number.

It is an amenable number.

55434004 is a deficient number, since it is larger than the sum of its proper divisors (41652524).

55434004 is a wasteful number, since it uses less digits than its factorization.

55434004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11006 (or 11004 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 55434004 is about 7445.4015338328. The cubic root of 55434004 is about 381.2929273889.

Adding to 55434004 its reverse (40043455), we get a palindrome (95477459).

The spelling of 55434004 in words is "fifty-five million, four hundred thirty-four thousand, four".