53624349 has 10 divisors (see below), whose sum is σ = 80105630. Its totient is φ = 35749512.

The previous prime is 53624303. The next prime is 53624371. The reversal of 53624349 is 94342635.

It can be written as a sum of positive squares in only one way, i.e., 53144100 + 480249 = 7290^2 + 693^2 .

It is not a de Polignac number, because 53624349 - 2⁸ = 53624093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53624149) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 330934 + ... + 331095.

It is an arithmetic number, because the mean of its divisors is an integer number (8010563).

Almost surely, 2^53624349 is an apocalyptic number.

It is an amenable number.

53624349 is a deficient number, since it is larger than the sum of its proper divisors (26481281).

53624349 is an equidigital number, since it uses as much as digits as its factorization.

53624349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662041 (or 662032 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 53624349 is about 7322.8648082564. The cubic root of 53624349 is about 377.0978106248.

The spelling of 53624349 in words is "fifty-three million, six hundred twenty-four thousand, three hundred forty-nine".