55799357992476 has 768 divisors, whose sum is σ = 169132225167360. Its totient is φ = 13951272222720.

The previous prime is 55799357992453. The next prime is 55799357992487. The reversal of 55799357992476 is 67429975399755.

It is a super-2 number, since 2×55799357992476² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (87).

It is a junction number, because it is equal to n+sod(n) for n = 55799357992392 and 55799357992401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 64657424821 + ... + 64657425683.

It is an arithmetic number, because the mean of its divisors is an integer number (220224251520).

Almost surely, 2^{55799357992476} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55799357992476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84566112583680).

55799357992476 is an abundant number, since it is smaller than the sum of its proper divisors (113332867174884).

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

55799357992476 is a wasteful number, since it uses less digits than its factorization.

55799357992476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414 (or 1412 counting only the distinct ones).

The product of its digits is 40507614000, while the sum is 87.

The spelling of 55799357992476 in words is "fifty-five trillion, seven hundred ninety-nine billion, three hundred fifty-seven million, nine hundred ninety-two thousand, four hundred seventy-six".