554406904628 has 6 divisors (see below), whose sum is σ = 970212083106. Its totient is φ = 277203452312.

The previous prime is 554406904627. The next prime is 554406904631. The reversal of 554406904628 is 826409604455.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 430595815204 + 123811089424 = 656198^2 + 351868^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 554406904628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554406904627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69300863075 + ... + 69300863082.

It is an arithmetic number, because the mean of its divisors is an integer number (161702013851).

Almost surely, 2^554406904628 is an apocalyptic number.

It is an amenable number.

554406904628 is a deficient number, since it is larger than the sum of its proper divisors (415805178478).

554406904628 is a wasteful number, since it uses less digits than its factorization.

554406904628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138601726161 (or 138601726159 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 53.

The spelling of 554406904628 in words is "five hundred fifty-four billion, four hundred six million, nine hundred four thousand, six hundred twenty-eight".