55444300 has 36 divisors (see below), whose sum is σ = 123257736. Its totient is φ = 21635200.

The previous prime is 55444273. The next prime is 55444313. The reversal of 55444300 is 344455.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2662 + ... + 10861.

It is an arithmetic number, because the mean of its divisors is an integer number (3423826).

Almost surely, 2^55444300 is an apocalyptic number.

55444300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55444300 is an abundant number, since it is smaller than the sum of its proper divisors (67813436).

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

55444300 is a wasteful number, since it uses less digits than its factorization.

55444300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13578 (or 13571 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 55444300 is about 7446.0929352245. The cubic root of 55444300 is about 381.3165323285.

Adding to 55444300 its reverse (344455), we get a palindrome (55788755).

The spelling of 55444300 in words is "fifty-five million, four hundred forty-four thousand, three hundred".