554920668 has 18 divisors (see below), whose sum is σ = 1402716224. Its totient is φ = 184973544.

The previous prime is 554920661. The next prime is 554920673. The reversal of 554920668 is 866029455.

554920668 is a `hidden beast` number, since 554 + 92 + 0 + 6 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554920661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7707196 + ... + 7707267.

Almost surely, 2^554920668 is an apocalyptic number.

It is an amenable number.

554920668 is an abundant number, since it is smaller than the sum of its proper divisors (847795556).

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

554920668 is a wasteful number, since it uses less digits than its factorization.

554920668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15414473 (or 15414468 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 554920668 is about 23556.7541906775. The cubic root of 554920668 is about 821.7574186063.

The spelling of 554920668 in words is "five hundred fifty-four million, nine hundred twenty thousand, six hundred sixty-eight".