1553321255453 has 32 divisors (see below), whose sum is σ = 1801259389440. Its totient is φ = 1324644874560.

The previous prime is 1553321255441. The next prime is 1553321255489. The reversal of 1553321255453 is 3545521233551.

It is a cyclic number.

It is not a de Polignac number, because 1553321255453 - 2⁶ = 1553321255389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553321255053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49473626 + ... + 49505012.

It is an arithmetic number, because the mean of its divisors is an integer number (56289355920).

Almost surely, 2^{1553321255453} is an apocalyptic number.

It is an amenable number.

1553321255453 is a deficient number, since it is larger than the sum of its proper divisors (247938133987).

1553321255453 is a wasteful number, since it uses less digits than its factorization.

1553321255453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33737.

The product of its digits is 1350000, while the sum is 44.

The spelling of 1553321255453 in words is "one trillion, five hundred fifty-three billion, three hundred twenty-one million, two hundred fifty-five thousand, four hundred fifty-three".