55306146544 has 20 divisors (see below), whose sum is σ = 116897082840. Its totient is φ = 25139157440.

The previous prime is 55306146473. The next prime is 55306146557. The reversal of 55306146544 is 44564160355.

It is a self number, because there is not a number n which added to its sum of digits gives 55306146544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157119559 + ... + 157119910.

It is an arithmetic number, because the mean of its divisors is an integer number (5844854142).

Almost surely, 2^55306146544 is an apocalyptic number.

It is an amenable number.

55306146544 is an abundant number, since it is smaller than the sum of its proper divisors (61590936296).

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

55306146544 is a wasteful number, since it uses less digits than its factorization.

55306146544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314239488 (or 314239482 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 55306146544 in words is "fifty-five billion, three hundred six million, one hundred forty-six thousand, five hundred forty-four".