55144443532 has 24 divisors (see below), whose sum is σ = 103704484464. Its totient is φ = 25563005952.

The previous prime is 55144443467. The next prime is 55144443533. The reversal of 55144443532 is 23534444155.

It is not an unprimeable number, because it can be changed into a prime (55144443533) 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, 6047293 + ... + 6056404.

It is an arithmetic number, because the mean of its divisors is an integer number (4321020186).

Almost surely, 2^55144443532 is an apocalyptic number.

It is an amenable number.

55144443532 is a deficient number, since it is larger than the sum of its proper divisors (48560040932).

55144443532 is a wasteful number, since it uses less digits than its factorization.

55144443532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12103785 (or 12103783 counting only the distinct ones).

The product of its digits is 576000, while the sum is 40.

Adding to 55144443532 its reverse (23534444155), we get a palindrome (78678887687).

The spelling of 55144443532 in words is "fifty-five billion, one hundred forty-four million, four hundred forty-three thousand, five hundred thirty-two".