554366820 has 96 divisors (see below), whose sum is σ = 1780063488. Its totient is φ = 126277632.

The previous prime is 554366797. The next prime is 554366851. The reversal of 554366820 is 28663455.

It is a super-2 number, since 2×554366820² = 614645142233824800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129352 + ... + 133568.

It is an arithmetic number, because the mean of its divisors is an integer number (18542328).

Almost surely, 2^554366820 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 554366820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (890031744).

554366820 is an abundant number, since it is smaller than the sum of its proper divisors (1225696668).

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

554366820 is a wasteful number, since it uses less digits than its factorization.

554366820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549 (or 4547 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 554366820 is about 23544.9956466337. The cubic root of 554366820 is about 821.4839379514.

The spelling of 554366820 in words is "five hundred fifty-four million, three hundred sixty-six thousand, eight hundred twenty".