53023136 has 48 divisors (see below), whose sum is σ = 114375240. Its totient is φ = 24084480.

The previous prime is 53023121. The next prime is 53023147. The reversal of 53023136 is 63132035.

It can be written as a sum of positive squares in 4 ways, for example, as 52475536 + 547600 = 7244^2 + 740^2 .

It is a super-2 number, since 2×53023136² = 5622905902548992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14096 + ... + 17456.

Almost surely, 2^53023136 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 53023136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57187620).

53023136 is an abundant number, since it is smaller than the sum of its proper divisors (61352104).

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

53023136 is a wasteful number, since it uses less digits than its factorization.

53023136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3417 (or 3409 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 53023136 is about 7281.6987029127. The cubic root of 53023136 is about 375.6832249722.

The spelling of 53023136 in words is "fifty-three million, twenty-three thousand, one hundred thirty-six".