53017146 has 64 divisors (see below), whose sum is σ = 145017600. Its totient is φ = 13981248.

The previous prime is 53017127. The next prime is 53017171. The reversal of 53017146 is 64171035.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481 + ... + 10308.

It is an arithmetic number, because the mean of its divisors is an integer number (2265900).

Almost surely, 2^53017146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53017146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72508800).

53017146 is an abundant number, since it is smaller than the sum of its proper divisors (92000454).

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

53017146 is a wasteful number, since it uses less digits than its factorization.

53017146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10820 (or 10814 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 53017146 is about 7281.2873861701. The cubic root of 53017146 is about 375.6690775174.

The spelling of 53017146 in words is "fifty-three million, seventeen thousand, one hundred forty-six".