1553453534253 has 16 divisors (see below), whose sum is σ = 2191767883776. Its totient is φ = 976655821680.

The previous prime is 1553453534219. The next prime is 1553453534257. The reversal of 1553453534253 is 3524353543551.

It is not a de Polignac number, because 1553453534253 - 2³² = 1549158566957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553453534257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158543125 + ... + 158552922.

It is an arithmetic number, because the mean of its divisors is an integer number (136985492736).

Almost surely, 2^{1553453534253} is an apocalyptic number.

It is an amenable number.

1553453534253 is a deficient number, since it is larger than the sum of its proper divisors (638314349523).

1553453534253 is a wasteful number, since it uses less digits than its factorization.

1553453534253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317096144.

The product of its digits is 8100000, while the sum is 48.

The spelling of 1553453534253 in words is "one trillion, five hundred fifty-three billion, four hundred fifty-three million, five hundred thirty-four thousand, two hundred fifty-three".