55111023404 has 6 divisors (see below), whose sum is σ = 96444290964. Its totient is φ = 27555511700.

The previous prime is 55111023391. The next prime is 55111023413. The reversal of 55111023404 is 40432011155.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6888877922 + ... + 6888877929.

It is an arithmetic number, because the mean of its divisors is an integer number (16074048494).

Almost surely, 2^55111023404 is an apocalyptic number.

It is an amenable number.

55111023404 is a deficient number, since it is larger than the sum of its proper divisors (41333267560).

55111023404 is a wasteful number, since it uses less digits than its factorization.

55111023404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13777755855 (or 13777755853 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 55111023404 its reverse (40432011155), we get a palindrome (95543034559).

The spelling of 55111023404 in words is "fifty-five billion, one hundred eleven million, twenty-three thousand, four hundred four".