55604349518 has 16 divisors (see below), whose sum is σ = 84834984960. Its totient is φ = 27326185656.

The previous prime is 55604349491. The next prime is 55604349539. The reversal of 55604349518 is 81594340655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693971 + ... + 769937.

It is an arithmetic number, because the mean of its divisors is an integer number (5302186560).

Almost surely, 2^55604349518 is an apocalyptic number.

55604349518 is a deficient number, since it is larger than the sum of its proper divisors (29230635442).

55604349518 is a wasteful number, since it uses less digits than its factorization.

55604349518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82231.

The product of its (nonzero) digits is 2592000, while the sum is 50.

The spelling of 55604349518 in words is "fifty-five billion, six hundred four million, three hundred forty-nine thousand, five hundred eighteen".