55331223277736 has 16 divisors (see below), whose sum is σ = 118566907023840. Its totient is φ = 23713381404720.

The previous prime is 55331223277727. The next prime is 55331223277751. The reversal of 55331223277736 is 63777232213355.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 988057558531 = 55331223277736 / (5 + 5 + 3 + 3 + 1 + 2 + 2 + 3 + 2 + 7 + 7 + 7 + 3 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494028779210 + ... + 494028779321.

It is an arithmetic number, because the mean of its divisors is an integer number (7410431688990).

Almost surely, 2^{55331223277736} is an apocalyptic number.

55331223277736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55331223277736 is an abundant number, since it is smaller than the sum of its proper divisors (63235683746104).

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

55331223277736 is a wasteful number, since it uses less digits than its factorization.

55331223277736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988057558544 (or 988057558540 counting only the distinct ones).

The product of its digits is 33339600, while the sum is 56.

The spelling of 55331223277736 in words is "fifty-five trillion, three hundred thirty-one billion, two hundred twenty-three million, two hundred seventy-seven thousand, seven hundred thirty-six".