55554000 has 160 divisors (see below), whose sum is σ = 183845376. Its totient is φ = 14425600.

The previous prime is 55553999. The next prime is 55554007. The reversal of 55554000 is 45555.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55554007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281902 + ... + 282098.

Almost surely, 2^55554000 is an apocalyptic number.

55554000 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 55554000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91922688).

55554000 is an abundant number, since it is smaller than the sum of its proper divisors (128291376).

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

55554000 is a wasteful number, since it uses less digits than its factorization.

55554000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 55554000 is about 7453.4555744299. The cubic root of 55554000 is about 381.5678528180.

Adding to 55554000 its reverse (45555), we get a palindrome (55599555).

The spelling of 55554000 in words is "fifty-five million, five hundred fifty-four thousand".