55334434000 has 80 divisors (see below), whose sum is σ = 133918589376. Its totient is φ = 22113936000.

The previous prime is 55334433949. The next prime is 55334434013. The reversal of 55334434000 is 43443355.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×55334434000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2330187 + ... + 2353813.

Almost surely, 2^55334434000 is an apocalyptic number.

55334434000 is a gapful number since it is divisible by the number (50) 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 55334434000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66959294688).

55334434000 is an abundant number, since it is smaller than the sum of its proper divisors (78584155376).

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

55334434000 is a wasteful number, since it uses less digits than its factorization.

55334434000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24821 (or 24805 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 55334434000 its reverse (43443355), we get a palindrome (55377877355).

The spelling of 55334434000 in words is "fifty-five billion, three hundred thirty-four million, four hundred thirty-four thousand".