554721696 has 120 divisors (see below), whose sum is σ = 1727524260. Its totient is φ = 174016512.

The previous prime is 554721667. The next prime is 554721703. The reversal of 554721696 is 696127455.

554721696 is a `hidden beast` number, since 5 + 547 + 2 + 16 + 96 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 549246096 + 5475600 = 23436^2 + 2340^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37770 + ... + 50358.

Almost surely, 2^554721696 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 554721696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863762130).

554721696 is an abundant number, since it is smaller than the sum of its proper divisors (1172802564).

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

554721696 is a wasteful number, since it uses less digits than its factorization.

554721696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12628 (or 12611 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 554721696 is about 23552.5305646761. The cubic root of 554721696 is about 821.6591905936.

The spelling of 554721696 in words is "five hundred fifty-four million, seven hundred twenty-one thousand, six hundred ninety-six".