554555505 has 32 divisors (see below), whose sum is σ = 1015077888. Its totient is φ = 253252800.

The previous prime is 554555473. The next prime is 554555513. The reversal of 554555505 is 505555455.

It is not a de Polignac number, because 554555505 - 2⁵ = 554555473 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133510 + ... + 137600.

It is an arithmetic number, because the mean of its divisors is an integer number (31721184).

Almost surely, 2^554555505 is an apocalyptic number.

It is an amenable number.

554555505 is a deficient number, since it is larger than the sum of its proper divisors (460522383).

554555505 is a wasteful number, since it uses less digits than its factorization.

554555505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5397.

The product of its (nonzero) digits is 312500, while the sum is 39.

The square root of 554555505 is about 23549.0022081616. The cubic root of 554555505 is about 821.5771278208.

Subtracting from 554555505 its reverse (505555455), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 554555505 in words is "five hundred fifty-four million, five hundred fifty-five thousand, five hundred five".