55005555005554 has 16 divisors (see below), whose sum is σ = 83243513882592. Its totient is φ = 27257746396608.

The previous prime is 55005555005539. The next prime is 55005555005567. The reversal of 55005555005554 is 45550055550055.

It is a super-2 number, since 2×55005555005554² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55005555005498 and 55005555005507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3577344 + ... + 11081899.

It is an arithmetic number, because the mean of its divisors is an integer number (5202719617662).

Almost surely, 2^{55005555005554} is an apocalyptic number.

55005555005554 is a deficient number, since it is larger than the sum of its proper divisors (28237958877038).

55005555005554 is a wasteful number, since it uses less digits than its factorization.

55005555005554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14675961.

The product of its (nonzero) digits is 7812500, while the sum is 49.

The spelling of 55005555005554 in words is "fifty-five trillion, five billion, five hundred fifty-five million, five thousand, five hundred fifty-four".