55441109388 has 36 divisors (see below), whose sum is σ = 150483012792. Its totient is φ = 15840316800.

The previous prime is 55441109387. The next prime is 55441109389. The reversal of 55441109388 is 88390114455.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55441109387) and next prime (55441109389).

It is a super-2 number, since 2×55441109388² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55441109387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47143213 + ... + 47144388.

Almost surely, 2^55441109388 is an apocalyptic number.

It is an amenable number.

55441109388 is an abundant number, since it is smaller than the sum of its proper divisors (95041903404).

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

55441109388 is a wasteful number, since it uses less digits than its factorization.

55441109388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94287622 (or 94287613 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 48.

The spelling of 55441109388 in words is "fifty-five billion, four hundred forty-one million, one hundred nine thousand, three hundred eighty-eight".