53551444532 has 24 divisors (see below), whose sum is σ = 94590720000. Its totient is φ = 26526465056.

The previous prime is 53551444523. The next prime is 53551444547. The reversal of 53551444532 is 23544415535.

It is a super-2 number, since 2×53551444532² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53551444532.

It is a congruent number.

It is an unprimeable number.

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, 110969 + ... + 345567.

It is an arithmetic number, because the mean of its divisors is an integer number (3941280000).

Almost surely, 2^53551444532 is an apocalyptic number.

It is an amenable number.

53551444532 is a deficient number, since it is larger than the sum of its proper divisors (41039275468).

53551444532 is a wasteful number, since it uses less digits than its factorization.

53551444532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235135 (or 235133 counting only the distinct ones).

The product of its digits is 720000, while the sum is 41.

The spelling of 53551444532 in words is "fifty-three billion, five hundred fifty-one million, four hundred forty-four thousand, five hundred thirty-two".