53443146 has 16 divisors (see below), whose sum is σ = 107479008. Its totient is φ = 17715600.

The previous prime is 53443129. The next prime is 53443147. The reversal of 53443146 is 64134435.

It is not an unprimeable number, because it can be changed into a prime (53443147) 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, 23520 + ... + 25691.

It is an arithmetic number, because the mean of its divisors is an integer number (6717438).

Almost surely, 2^53443146 is an apocalyptic number.

53443146 is an abundant number, since it is smaller than the sum of its proper divisors (54035862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53443146 is a wasteful number, since it uses less digits than its factorization.

53443146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49397.

The product of its digits is 17280, while the sum is 30.

The square root of 53443146 is about 7310.4819266585. The cubic root of 53443146 is about 376.6725786352.

The spelling of 53443146 in words is "fifty-three million, four hundred forty-three thousand, one hundred forty-six".