55544450512 has 40 divisors (see below), whose sum is σ = 108085760640. Its totient is φ = 27651490560.

The previous prime is 55544450473. The next prime is 55544450519. The reversal of 55544450512 is 21505444555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55544450519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8577708 + ... + 8584180.

It is an arithmetic number, because the mean of its divisors is an integer number (2702144016).

Almost surely, 2^55544450512 is an apocalyptic number.

It is an amenable number.

55544450512 is a deficient number, since it is larger than the sum of its proper divisors (52541310128).

55544450512 is a wasteful number, since it uses less digits than its factorization.

55544450512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8731 (or 8725 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 40.

The spelling of 55544450512 in words is "fifty-five billion, five hundred forty-four million, four hundred fifty thousand, five hundred twelve".