55704004 has 12 divisors (see below), whose sum is σ = 97993728. Its totient is φ = 27705800.

The previous prime is 55703971. The next prime is 55704023. The reversal of 55704004 is 40040755.

It is a self number, because there is not a number n which added to its sum of digits gives 55704004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35692 + ... + 37219.

It is an arithmetic number, because the mean of its divisors is an integer number (8166144).

Almost surely, 2^55704004 is an apocalyptic number.

It is an amenable number.

55704004 is a deficient number, since it is larger than the sum of its proper divisors (42289724).

55704004 is a wasteful number, since it uses less digits than its factorization.

55704004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73106 (or 73104 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 55704004 is about 7463.5115059870. The cubic root of 55704004 is about 381.9109740183.

Adding to 55704004 its reverse (40040755), we get a palindrome (95744759).

The spelling of 55704004 in words is "fifty-five million, seven hundred four thousand, four".