5278091953 has 4 divisors (see below), whose sum is σ = 5283725860. Its totient is φ = 5272458048.

The previous prime is 5278091941. The next prime is 5278091969. The reversal of 5278091953 is 3591908725.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 671483569 + 4606608384 = 25913^2 + 67872^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5278091953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5278091897 and 5278091906.

It is not an unprimeable number, because it can be changed into a prime (5278091353) 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, 2815548 + ... + 2817421.

It is an arithmetic number, because the mean of its divisors is an integer number (1320931465).

Almost surely, 2^5278091953 is an apocalyptic number.

It is an amenable number.

5278091953 is a deficient number, since it is larger than the sum of its proper divisors (5633907).

5278091953 is an equidigital number, since it uses as much as digits as its factorization.

5278091953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5633906.

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 5278091953 is about 72650.4779956746. The cubic root of 5278091953 is about 1741.1077581838.

The spelling of 5278091953 in words is "five billion, two hundred seventy-eight million, ninety-one thousand, nine hundred fifty-three".