554739840 has 448 divisors, whose sum is σ = 2107085400. Its totient is φ = 139345920.

The previous prime is 554739839. The next prime is 554739859. The reversal of 554739840 is 48937455.

554739840 is a `hidden beast` number, since 55 + 473 + 98 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 306110016 + 248629824 = 17496^2 + 15768^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 13530220 + ... + 13530260.

Almost surely, 2^554739840 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 554739840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1053542700).

554739840 is an abundant number, since it is smaller than the sum of its proper divisors (1552345560).

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

554739840 is an equidigital number, since it uses as much as digits as its factorization.

554739840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 554739840 is about 23552.9157430667. The cubic root of 554739840 is about 821.6681488525.

The spelling of 554739840 in words is "five hundred fifty-four million, seven hundred thirty-nine thousand, eight hundred forty".