53611340 has 12 divisors (see below), whose sum is σ = 112583856. Its totient is φ = 21444528.

The previous prime is 53611339. The next prime is 53611373. The reversal of 53611340 is 4311635.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340264 + ... + 1340303.

It is an arithmetic number, because the mean of its divisors is an integer number (9381988).

Almost surely, 2^53611340 is an apocalyptic number.

It is an amenable number.

53611340 is an abundant number, since it is smaller than the sum of its proper divisors (58972516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53611340 is a wasteful number, since it uses less digits than its factorization.

53611340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680576 (or 2680574 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 53611340 is about 7321.9765091128. The cubic root of 53611340 is about 377.0673141416.

Adding to 53611340 its reverse (4311635), we get a palindrome (57922975).

The spelling of 53611340 in words is "fifty-three million, six hundred eleven thousand, three hundred forty".