55580104 has 8 divisors (see below), whose sum is σ = 104212710. Its totient is φ = 27790048.

The previous prime is 55580101. The next prime is 55580113. The reversal of 55580104 is 40108555.

It can be written as a sum of positive squares in only one way, i.e., 39564100 + 16016004 = 6290^2 + 4002^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (55580101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3473749 + ... + 3473764.

Almost surely, 2^55580104 is an apocalyptic number.

It is an amenable number.

55580104 is a deficient number, since it is larger than the sum of its proper divisors (48632606).

55580104 is a wasteful number, since it uses less digits than its factorization.

55580104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6947519 (or 6947515 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 55580104 is about 7455.2065028408. The cubic root of 55580104 is about 381.6276078164.

Adding to 55580104 its reverse (40108555), we get a palindrome (95688659).

The spelling of 55580104 in words is "fifty-five million, five hundred eighty thousand, one hundred four".