55364213960 has 32 divisors (see below), whose sum is σ = 135893980800. Its totient is φ = 20132441280.

The previous prime is 55364213929. The next prime is 55364213963. The reversal of 55364213960 is 6931246355.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (55364213963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62913440 + ... + 62914319.

It is an arithmetic number, because the mean of its divisors is an integer number (4246686900).

Almost surely, 2^55364213960 is an apocalyptic number.

It is an amenable number.

55364213960 is an abundant number, since it is smaller than the sum of its proper divisors (80529766840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55364213960 is a wasteful number, since it uses less digits than its factorization.

55364213960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125827781 (or 125827777 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 55364213960 in words is "fifty-five billion, three hundred sixty-four million, two hundred thirteen thousand, nine hundred sixty".