55111105604 has 6 divisors (see below), whose sum is σ = 96444434814. Its totient is φ = 27555552800.

The previous prime is 55111105601. The next prime is 55111105607. The reversal of 55111105604 is 40650111155.

It is an interprime number because it is at equal distance from previous prime (55111105601) and next prime (55111105607).

It can be written as a sum of positive squares in only one way, i.e., 50311387204 + 4799718400 = 224302^2 + 69280^2 .

It is not an unprimeable number, because it can be changed into a prime (55111105601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6888888197 + ... + 6888888204.

It is an arithmetic number, because the mean of its divisors is an integer number (16074072469).

Almost surely, 2^55111105604 is an apocalyptic number.

It is an amenable number.

55111105604 is a deficient number, since it is larger than the sum of its proper divisors (41333329210).

55111105604 is a wasteful number, since it uses less digits than its factorization.

55111105604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13777776405 (or 13777776403 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 29.

Adding to 55111105604 its reverse (40650111155), we get a palindrome (95761216759).

The spelling of 55111105604 in words is "fifty-five billion, one hundred eleven million, one hundred five thousand, six hundred four".