55699367732736 has 1440 divisors, whose sum is σ = 198223708370688. Its totient is φ = 13772672040960.

The previous prime is 55699367732647. The next prime is 55699367732759. The reversal of 55699367732736 is 63723776399655.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 36381036291 + ... + 36381037821.

Almost surely, 2^{55699367732736} is an apocalyptic number.

55699367732736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55699367732736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99111854185344).

55699367732736 is an abundant number, since it is smaller than the sum of its proper divisors (142524340637952).

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

55699367732736 is a wasteful number, since it uses less digits than its factorization.

55699367732736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720 (or 1678 counting only the distinct ones).

The product of its digits is 8101522800, while the sum is 78.

The spelling of 55699367732736 in words is "fifty-five trillion, six hundred ninety-nine billion, three hundred sixty-seven million, seven hundred thirty-two thousand, seven hundred thirty-six".