648315554 has 16 divisors (see below), whose sum is σ = 1011408000. Its totient is φ = 311401584.

The previous prime is 648315529. The next prime is 648315581. The reversal of 648315554 is 455513846.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49604 + ... + 61295.

It is an arithmetic number, because the mean of its divisors is an integer number (63213000).

Almost surely, 2^648315554 is an apocalyptic number.

648315554 is a deficient number, since it is larger than the sum of its proper divisors (363092446).

648315554 is a wasteful number, since it uses less digits than its factorization.

648315554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111017.

The product of its digits is 288000, while the sum is 41.

The square root of 648315554 is about 25462.0414342605. The cubic root of 648315554 is about 865.4901847051.

The spelling of 648315554 in words is "six hundred forty-eight million, three hundred fifteen thousand, five hundred fifty-four".