55550102400 has 1152 divisors, whose sum is σ = 232752290400. Its totient is φ = 12859637760.

The previous prime is 55550102347. The next prime is 55550102453. The reversal of 55550102400 is 420105555.

55550102400 is a `hidden beast` number, since 5 + 5 + 550 + 102 + 4 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (55550102347) and next prime (55550102453).

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (27).

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 143 ways as a sum of consecutive naturals, for example, 405475132 + ... + 405475268.

Almost surely, 2^55550102400 is an apocalyptic number.

55550102400 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 55550102400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116376145200).

55550102400 is an abundant number, since it is smaller than the sum of its proper divisors (177202188000).

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

55550102400 is a wasteful number, since it uses less digits than its factorization.

55550102400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

Adding to 55550102400 its reverse (420105555), we get a palindrome (55970207955).

The spelling of 55550102400 in words is "fifty-five billion, five hundred fifty million, one hundred two thousand, four hundred".