1556454425054 has 8 divisors (see below), whose sum is σ = 2334713065608. Its totient is φ = 778216736520.

The previous prime is 1556454425051. The next prime is 1556454425077. The reversal of 1556454425054 is 4505244546551.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1556454424993 and 1556454425011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1556454425051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050952 + ... + 5350235.

It is an arithmetic number, because the mean of its divisors is an integer number (291839133201).

Almost surely, 2^{1556454425054} is an apocalyptic number.

1556454425054 is a deficient number, since it is larger than the sum of its proper divisors (778258640554).

1556454425054 is a wasteful number, since it uses less digits than its factorization.

1556454425054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10476010.

The product of its (nonzero) digits is 9600000, while the sum is 50.

The spelling of 1556454425054 in words is "one trillion, five hundred fifty-six billion, four hundred fifty-four million, four hundred twenty-five thousand, fifty-four".