53812849 has 4 divisors (see below), whose sum is σ = 54155764. Its totient is φ = 53469936.

The previous prime is 53812831. The next prime is 53812867. The reversal of 53812849 is 94821835.

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

It is an interprime number because it is at equal distance from previous prime (53812831) and next prime (53812867).

It can be written as a sum of positive squares in 2 ways, for example, as 26061025 + 27751824 = 5105^2 + 5268^2 .

It is a cyclic number.

It is not a de Polignac number, because 53812849 - 2¹⁷ = 53681777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53812819) 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, 171222 + ... + 171535.

It is an arithmetic number, because the mean of its divisors is an integer number (13538941).

Almost surely, 2^53812849 is an apocalyptic number.

It is an amenable number.

53812849 is a deficient number, since it is larger than the sum of its proper divisors (342915).

53812849 is a wasteful number, since it uses less digits than its factorization.

53812849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342914.

The product of its digits is 69120, while the sum is 40.

The square root of 53812849 is about 7335.7241632984. The cubic root of 53812849 is about 377.5391512396.

The spelling of 53812849 in words is "fifty-three million, eight hundred twelve thousand, eight hundred forty-nine".