554505840 has 240 divisors, whose sum is σ = 2141380800. Its totient is φ = 125964288.

The previous prime is 554505829. The next prime is 554505871. The reversal of 554505840 is 48505455.

554505840 is a `hidden beast` number, since 554 + 50 + 58 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a junction number, because it is equal to n+sod(n) for n = 554505795 and 554505804.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 1355556 + ... + 1355964.

It is an arithmetic number, because the mean of its divisors is an integer number (8922420).

Almost surely, 2^554505840 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 554505840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1070690400).

554505840 is an abundant number, since it is smaller than the sum of its proper divisors (1586874960).

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

554505840 is a wasteful number, since it uses less digits than its factorization.

554505840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The square root of 554505840 is about 23547.9476812736. The cubic root of 554505840 is about 821.5526007621.

The spelling of 554505840 in words is "five hundred fifty-four million, five hundred five thousand, eight hundred forty".