554553216 has 256 divisors, whose sum is σ = 1900300800. Its totient is φ = 157883904.

The previous prime is 554553211. The next prime is 554553217. The reversal of 554553216 is 612355455.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554553211) 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, 1959411 + ... + 1959693.

It is an arithmetic number, because the mean of its divisors is an integer number (7423050).

Almost surely, 2^554553216 is an apocalyptic number.

554553216 is a gapful number since it is divisible by the number (56) 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 554553216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950150400).

554553216 is an abundant number, since it is smaller than the sum of its proper divisors (1345747584).

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

554553216 is an frugal number, since it uses more digits than its factorization.

554553216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 295 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 554553216 is about 23548.9536073262. The cubic root of 554553216 is about 821.5759974304.

The spelling of 554553216 in words is "five hundred fifty-four million, five hundred fifty-three thousand, two hundred sixteen".