554255550 has 72 divisors (see below), whose sum is σ = 1499982120. Its totient is φ = 146721600.

The previous prime is 554255549. The next prime is 554255561. The reversal of 554255550 is 55552455.

554255550 is a `hidden beast` number, since 5 + 54 + 2 + 55 + 550 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 58120 + ... + 66980.

It is an arithmetic number, because the mean of its divisors is an integer number (20833085).

Almost surely, 2^554255550 is an apocalyptic number.

554255550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 554255550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749991060).

554255550 is an abundant number, since it is smaller than the sum of its proper divisors (945726570).

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

554255550 is a wasteful number, since it uses less digits than its factorization.

554255550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9018 (or 9010 counting only the distinct ones).

The product of its (nonzero) digits is 125000, while the sum is 36.

The square root of 554255550 is about 23542.6326055520. The cubic root of 554255550 is about 821.4289727606.

The spelling of 554255550 in words is "five hundred fifty-four million, two hundred fifty-five thousand, five hundred fifty".