554666654 has 4 divisors (see below), whose sum is σ = 831999984. Its totient is φ = 277333326.

The previous prime is 554666647. The next prime is 554666681. The reversal of 554666654 is 456666455.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 554666599 and 554666608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138666662 + ... + 138666665.

It is an arithmetic number, because the mean of its divisors is an integer number (207999996).

Almost surely, 2^554666654 is an apocalyptic number.

554666654 is a deficient number, since it is larger than the sum of its proper divisors (277333330).

554666654 is a wasteful number, since it uses less digits than its factorization.

554666654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277333329.

The product of its digits is 2592000, while the sum is 47.

The square root of 554666654 is about 23551.3620412918. The cubic root of 554666654 is about 821.6320134455.

The spelling of 554666654 in words is "five hundred fifty-four million, six hundred sixty-six thousand, six hundred fifty-four".