53249613 has 8 divisors (see below), whose sum is σ = 71043168. Its totient is φ = 35477904.

The previous prime is 53249591. The next prime is 53249633. The reversal of 53249613 is 31694235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53249613 - 2⁹ = 53249101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53249633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1495 + ... + 10427.

It is an arithmetic number, because the mean of its divisors is an integer number (8880396).

Almost surely, 2^53249613 is an apocalyptic number.

It is an amenable number.

53249613 is a deficient number, since it is larger than the sum of its proper divisors (17793555).

53249613 is a wasteful number, since it uses less digits than its factorization.

53249613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10923.

The product of its digits is 19440, while the sum is 33.

The square root of 53249613 is about 7297.2332428120. The cubic root of 53249613 is about 376.2173487779.

The spelling of 53249613 in words is "fifty-three million, two hundred forty-nine thousand, six hundred thirteen".