554487840 has 144 divisors (see below), whose sum is σ = 1898769600. Its totient is φ = 147350016.

The previous prime is 554487839. The next prime is 554487853. The reversal of 554487840 is 48784455.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 602901 + ... + 603819.

It is an arithmetic number, because the mean of its divisors is an integer number (13185900).

Almost surely, 2^554487840 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 554487840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (949384800).

554487840 is an abundant number, since it is smaller than the sum of its proper divisors (1344281760).

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

554487840 is a wasteful number, since it uses less digits than its factorization.

554487840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359 (or 1348 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 45.

The square root of 554487840 is about 23547.5654792592. The cubic root of 554487840 is about 821.5437111011.

The spelling of 554487840 in words is "five hundred fifty-four million, four hundred eighty-seven thousand, eight hundred forty".