53039232 has 128 divisors (see below), whose sum is σ = 159120000. Its totient is φ = 17390592.

The previous prime is 53039227. The next prime is 53039243. The reversal of 53039232 is 23293035.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×53039232² = 5626320262299648, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 53039196 and 53039205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355894 + ... + 356042.

It is an arithmetic number, because the mean of its divisors is an integer number (1243125).

Almost surely, 2^53039232 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 53039232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79560000).

53039232 is an abundant number, since it is smaller than the sum of its proper divisors (106080768).

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

53039232 is a wasteful number, since it uses less digits than its factorization.

53039232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 53039232 is about 7282.8038556589. The cubic root of 53039232 is about 375.7212359605.

It can be divided in two parts, 5303 and 9232, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 53039232 in words is "fifty-three million, thirty-nine thousand, two hundred thirty-two".