53591413 has 4 divisors (see below), whose sum is σ = 53606080. Its totient is φ = 53576748.

The previous prime is 53591383. The next prime is 53591441. The reversal of 53591413 is 31419535.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53591413 is a prime.

It is a super-4 number, since 4×53591413⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53591443) 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, 3028 + ... + 10786.

It is an arithmetic number, because the mean of its divisors is an integer number (13401520).

Almost surely, 2^53591413 is an apocalyptic number.

It is an amenable number.

53591413 is a deficient number, since it is larger than the sum of its proper divisors (14667).

53591413 is an equidigital number, since it uses as much as digits as its factorization.

53591413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14666.

The product of its digits is 8100, while the sum is 31.

The square root of 53591413 is about 7320.6156161897. The cubic root of 53591413 is about 377.0205904976.

The spelling of 53591413 in words is "fifty-three million, five hundred ninety-one thousand, four hundred thirteen".