53507349 has 24 divisors (see below), whose sum is σ = 91378560. Its totient is φ = 29520288.

The previous prime is 53507341. The next prime is 53507371. The reversal of 53507349 is 94370535.

It is not a de Polignac number, because 53507349 - 2³ = 53507341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53507341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12817 + ... + 16470.

It is an arithmetic number, because the mean of its divisors is an integer number (3807440).

Almost surely, 2^53507349 is an apocalyptic number.

It is an amenable number.

53507349 is a deficient number, since it is larger than the sum of its proper divisors (37871211).

53507349 is a wasteful number, since it uses less digits than its factorization.

53507349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29329 (or 29326 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 53507349 is about 7314.8717692110. The cubic root of 53507349 is about 376.8233546385.

The spelling of 53507349 in words is "fifty-three million, five hundred seven thousand, three hundred forty-nine".