53473657 has 4 divisors (see below), whose sum is σ = 56288080. Its totient is φ = 50659236.

The previous prime is 53473649. The next prime is 53473681. The reversal of 53473657 is 75637435.

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 a cyclic number.

It is not a de Polignac number, because 53473657 - 2³ = 53473649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53473957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407183 + ... + 1407220.

It is an arithmetic number, because the mean of its divisors is an integer number (14072020).

Almost surely, 2^53473657 is an apocalyptic number.

It is an amenable number.

53473657 is a deficient number, since it is larger than the sum of its proper divisors (2814423).

53473657 is a wasteful number, since it uses less digits than its factorization.

53473657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814422.

The product of its digits is 264600, while the sum is 40.

The square root of 53473657 is about 7312.5684270303. The cubic root of 53473657 is about 376.7442465136.

The spelling of 53473657 in words is "fifty-three million, four hundred seventy-three thousand, six hundred fifty-seven".