53540361 has 24 divisors (see below), whose sum is σ = 93585024. Its totient is φ = 28794240.

The previous prime is 53540341. The next prime is 53540363. The reversal of 53540361 is 16304535.

It is not a de Polignac number, because 53540361 - 2⁵ = 53540329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53540363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23925 + ... + 26066.

It is an arithmetic number, because the mean of its divisors is an integer number (3899376).

Almost surely, 2^53540361 is an apocalyptic number.

53540361 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

53540361 is a deficient number, since it is larger than the sum of its proper divisors (40044663).

53540361 is a wasteful number, since it uses less digits than its factorization.

53540361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50021 (or 50018 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 53540361 is about 7317.1279201610. The cubic root of 53540361 is about 376.9008339345.

Adding to 53540361 its reverse (16304535), we get a palindrome (69844896).

The spelling of 53540361 in words is "fifty-three million, five hundred forty thousand, three hundred sixty-one".