55285565624 has 8 divisors (see below), whose sum is σ = 103660435560. Its totient is φ = 27642782808.

The previous prime is 55285565623. The next prime is 55285565651. The reversal of 55285565624 is 42656558255.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×55285565624² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55285565623) 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 as a sum of consecutive naturals, namely, 3455347844 + ... + 3455347859.

It is an arithmetic number, because the mean of its divisors is an integer number (12957554445).

Almost surely, 2^55285565624 is an apocalyptic number.

It is an amenable number.

55285565624 is a deficient number, since it is larger than the sum of its proper divisors (48374869936).

55285565624 is a wasteful number, since it uses less digits than its factorization.

55285565624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6910695709 (or 6910695705 counting only the distinct ones).

The product of its digits is 14400000, while the sum is 53.

The spelling of 55285565624 in words is "fifty-five billion, two hundred eighty-five million, five hundred sixty-five thousand, six hundred twenty-four".