53583913 has 4 divisors (see below), whose sum is σ = 54338688. Its totient is φ = 52829140.

The previous prime is 53583911. The next prime is 53583917. The reversal of 53583913 is 31938535.

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 an emirpimes, since its reverse is a distinct semiprime: 31938535 = 5 ⋅6387707.

It is a cyclic number.

It is not a de Polignac number, because 53583913 - 2¹ = 53583911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53583911) 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, 377281 + ... + 377422.

It is an arithmetic number, because the mean of its divisors is an integer number (13584672).

Almost surely, 2^53583913 is an apocalyptic number.

It is an amenable number.

53583913 is a deficient number, since it is larger than the sum of its proper divisors (754775).

53583913 is an equidigital number, since it uses as much as digits as its factorization.

53583913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754774.

The product of its digits is 48600, while the sum is 37.

The square root of 53583913 is about 7320.1033462650. The cubic root of 53583913 is about 377.0030019438.

It can be divided in two parts, 535 and 83913, that added together give a palindrome (84448).

The spelling of 53583913 in words is "fifty-three million, five hundred eighty-three thousand, nine hundred thirteen".