53023516 has 96 divisors (see below), whose sum is σ = 122028032. Its totient is φ = 19595520.

The previous prime is 53023483. The next prime is 53023541. The reversal of 53023516 is 61532035.

It is a happy number.

It is a super-2 number, since 2×53023516² = 5622986498004512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 417445 + ... + 417571.

Almost surely, 2^53023516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53023516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61014016).

53023516 is an abundant number, since it is smaller than the sum of its proper divisors (69004516).

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

53023516 is a wasteful number, since it uses less digits than its factorization.

53023516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 53023516 is about 7281.7247956786. The cubic root of 53023516 is about 375.6841224376.

The spelling of 53023516 in words is "fifty-three million, twenty-three thousand, five hundred sixteen".