554218420 has 72 divisors (see below), whose sum is σ = 1400633640. Its totient is φ = 183456000.

The previous prime is 554218387. The next prime is 554218421. The reversal of 554218420 is 24812455.

It can be written as a sum of positive squares in 4 ways, for example, as 66161956 + 488056464 = 8134^2 + 22092^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554218421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18670 + ... + 38170.

It is an arithmetic number, because the mean of its divisors is an integer number (19453245).

Almost surely, 2^554218420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 554218420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700316820).

554218420 is an abundant number, since it is smaller than the sum of its proper divisors (846415220).

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

554218420 is a wasteful number, since it uses less digits than its factorization.

554218420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19553 (or 19544 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 554218420 is about 23541.8440229307. The cubic root of 554218420 is about 821.4106296342.

The spelling of 554218420 in words is "five hundred fifty-four million, two hundred eighteen thousand, four hundred twenty".