55291442944 has 36 divisors (see below), whose sum is σ = 110387058040. Its totient is φ = 27640673280.

The previous prime is 55291442911. The next prime is 55291442977. The reversal of 55291442944 is 44924419255.

It is an interprime number because it is at equal distance from previous prime (55291442911) and next prime (55291442977).

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 1665742 + ... + 1698610.

Almost surely, 2^55291442944 is an apocalyptic number.

It is an amenable number.

55291442944 is a deficient number, since it is larger than the sum of its proper divisors (55095615096).

55291442944 is an equidigital number, since it uses as much as digits as its factorization.

55291442944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39456 (or 39442 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 49.

The spelling of 55291442944 in words is "fifty-five billion, two hundred ninety-one million, four hundred forty-two thousand, nine hundred forty-four".