53612449 has 4 divisors (see below), whose sum is σ = 58486320. Its totient is φ = 48738580.

The previous prime is 53612437. The next prime is 53612459. The reversal of 53612449 is 94421635.

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.

It is not a de Polignac number, because 53612449 - 2⁵ = 53612417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53612459) 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, 2436919 + ... + 2436940.

It is an arithmetic number, because the mean of its divisors is an integer number (14621580).

Almost surely, 2^53612449 is an apocalyptic number.

It is an amenable number.

53612449 is a deficient number, since it is larger than the sum of its proper divisors (4873871).

53612449 is a wasteful number, since it uses less digits than its factorization.

53612449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4873870.

The product of its digits is 25920, while the sum is 34.

The square root of 53612449 is about 7322.0522396388. The cubic root of 53612449 is about 377.0699141187.

The spelling of 53612449 in words is "fifty-three million, six hundred twelve thousand, four hundred forty-nine".