53016849 has 10 divisors (see below), whose sum is σ = 79198130. Its totient is φ = 35344512.

The previous prime is 53016839. The next prime is 53016853. The reversal of 53016849 is 94861035.

It can be written as a sum of positive squares in only one way, i.e., 44355600 + 8661249 = 6660^2 + 2943^2 .

It is not a de Polignac number, because 53016849 - 2¹⁵ = 52984081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53016809) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 327184 + ... + 327345.

It is an arithmetic number, because the mean of its divisors is an integer number (7919813).

Almost surely, 2^53016849 is an apocalyptic number.

It is an amenable number.

53016849 is a deficient number, since it is larger than the sum of its proper divisors (26181281).

53016849 is an equidigital number, since it uses as much as digits as its factorization.

53016849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654541 (or 654532 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 53016849 is about 7281.2669913965. The cubic root of 53016849 is about 375.6683760216.

The spelling of 53016849 in words is "fifty-three million, sixteen thousand, eight hundred forty-nine".