55424600 has 192 divisors, whose sum is σ = 166060800. Its totient is φ = 16704000.

The previous prime is 55424599. The next prime is 55424617. The reversal of 55424600 is 642455.

It is a self number, because there is not a number n which added to its sum of digits gives 55424600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 908570 + ... + 908630.

It is an arithmetic number, because the mean of its divisors is an integer number (864900).

Almost surely, 2^55424600 is an apocalyptic number.

55424600 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 55424600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83030400).

55424600 is an abundant number, since it is smaller than the sum of its proper divisors (110636200).

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

55424600 is a wasteful number, since it uses less digits than its factorization.

55424600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 55424600 is about 7444.7699762988. The cubic root of 55424600 is about 381.2713649229.

The spelling of 55424600 in words is "fifty-five million, four hundred twenty-four thousand, six hundred".