554977128 has 128 divisors (see below), whose sum is σ = 1492992000. Its totient is φ = 171605760.

The previous prime is 554977103. The next prime is 554977141. The reversal of 554977128 is 821779455.

It is a super-2 number, since 2×554977128² = 615999225206256768, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 2062978 + ... + 2063246.

It is an arithmetic number, because the mean of its divisors is an integer number (11664000).

Almost surely, 2^554977128 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 554977128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746496000).

554977128 is an abundant number, since it is smaller than the sum of its proper divisors (938014872).

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

554977128 is a wasteful number, since it uses less digits than its factorization.

554977128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 411 counting only the distinct ones).

The product of its digits is 705600, while the sum is 48.

The square root of 554977128 is about 23557.9525426129. The cubic root of 554977128 is about 821.7852873649.

The spelling of 554977128 in words is "five hundred fifty-four million, nine hundred seventy-seven thousand, one hundred twenty-eight".