53122146 has 48 divisors (see below), whose sum is σ = 133476672. Its totient is φ = 13796640.

The previous prime is 53122141. The next prime is 53122151. The reversal of 53122146 is 64122135.

It is an interprime number because it is at equal distance from previous prime (53122141) and next prime (53122151).

It is not an unprimeable number, because it can be changed into a prime (53122141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145 + ... + 10308.

It is an arithmetic number, because the mean of its divisors is an integer number (2780764).

Almost surely, 2^53122146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53122146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66738336).

53122146 is an abundant number, since it is smaller than the sum of its proper divisors (80354526).

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

53122146 is a wasteful number, since it uses less digits than its factorization.

53122146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10487 (or 10476 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 53122146 is about 7288.4940831423. The cubic root of 53122146 is about 375.9169170964.

The spelling of 53122146 in words is "fifty-three million, one hundred twenty-two thousand, one hundred forty-six".