5453878445 has 4 divisors (see below), whose sum is σ = 6544654140. Its totient is φ = 4363102752.

The previous prime is 5453878421. The next prime is 5453878471. The reversal of 5453878445 is 5448783545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5448783545 = 5 ⋅1089756709.

It can be written as a sum of positive squares in 2 ways, for example, as 1486642249 + 3967236196 = 38557^2 + 62986^2 .

It is a cyclic number.

It is not a de Polignac number, because 5453878445 - 2¹⁰ = 5453877421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545387840 + ... + 545387849.

It is an arithmetic number, because the mean of its divisors is an integer number (1636163535).

Almost surely, 2^5453878445 is an apocalyptic number.

It is an amenable number.

5453878445 is a deficient number, since it is larger than the sum of its proper divisors (1090775695).

5453878445 is a wasteful number, since it uses less digits than its factorization.

5453878445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090775694.

The product of its digits is 10752000, while the sum is 53.

The square root of 5453878445 is about 73850.3787735716. The cubic root of 5453878445 is about 1760.2262154348.

The spelling of 5453878445 in words is "five billion, four hundred fifty-three million, eight hundred seventy-eight thousand, four hundred forty-five".