55722247572 has 12 divisors (see below), whose sum is σ = 130018577696. Its totient is φ = 18574082520.

The previous prime is 55722247523. The next prime is 55722247649. The reversal of 55722247572 is 27574222755.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 2321760304 + ... + 2321760327.

Almost surely, 2^55722247572 is an apocalyptic number.

It is an amenable number.

55722247572 is an abundant number, since it is smaller than the sum of its proper divisors (74296330124).

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

55722247572 is a wasteful number, since it uses less digits than its factorization.

55722247572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4643520638 (or 4643520636 counting only the distinct ones).

The product of its digits is 2744000, while the sum is 48.

The spelling of 55722247572 in words is "fifty-five billion, seven hundred twenty-two million, two hundred forty-seven thousand, five hundred seventy-two".