55023052400 has 120 divisors (see below), whose sum is σ = 134856730224. Its totient is φ = 21566771200.

The previous prime is 55023052391. The next prime is 55023052417. The reversal of 55023052400 is 425032055.

It is a self number, because there is not a number n which added to its sum of digits gives 55023052400.

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 23 ways as a sum of consecutive naturals, for example, 28852247 + ... + 28854153.

Almost surely, 2^55023052400 is an apocalyptic number.

55023052400 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 55023052400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67428365112).

55023052400 is an abundant number, since it is smaller than the sum of its proper divisors (79833677824).

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

55023052400 is a wasteful number, since it uses less digits than its factorization.

55023052400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339 (or 3328 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

Adding to 55023052400 its reverse (425032055), we get a palindrome (55448084455).

The spelling of 55023052400 in words is "fifty-five billion, twenty-three million, fifty-two thousand, four hundred".