452993271553 has 4 divisors (see below), whose sum is σ = 454971408340. Its totient is φ = 451015134768.

The previous prime is 452993271509. The next prime is 452993271569. The reversal of 452993271553 is 355172399254.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 355172399254 = 2 ⋅177586199627.

It can be written as a sum of positive squares in 2 ways, for example, as 279960566769 + 173032704784 = 529113^2 + 415972^2 .

It is a cyclic number.

It is not a de Polignac number, because 452993271553 - 2³³ = 444403336961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 452993271494 and 452993271503.

It is not an unprimeable number, because it can be changed into a prime (452993271503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 989068050 + ... + 989068507.

It is an arithmetic number, because the mean of its divisors is an integer number (113742852085).

Almost surely, 2^452993271553 is an apocalyptic number.

It is an amenable number.

452993271553 is a deficient number, since it is larger than the sum of its proper divisors (1978136787).

452993271553 is a wasteful number, since it uses less digits than its factorization.

452993271553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978136786.

The product of its digits is 10206000, while the sum is 55.

The spelling of 452993271553 in words is "four hundred fifty-two billion, nine hundred ninety-three million, two hundred seventy-one thousand, five hundred fifty-three".