52013328 has 20 divisors (see below), whose sum is σ = 134367888. Its totient is φ = 17337760.

The previous prime is 52013323. The next prime is 52013333. The reversal of 52013328 is 82331025.

It is an interprime number because it is at equal distance from previous prime (52013323) and next prime (52013333).

It is a super-3 number, since 3×52013328³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 52013298 and 52013307.

It is not an unprimeable number, because it can be changed into a prime (52013321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541758 + ... + 541853.

Almost surely, 2^52013328 is an apocalyptic number.

It is an amenable number.

52013328 is an abundant number, since it is smaller than the sum of its proper divisors (82354560).

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

52013328 is a wasteful number, since it uses less digits than its factorization.

52013328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083622 (or 1083616 counting only the distinct ones).

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

The square root of 52013328 is about 7212.0266222470. The cubic root of 52013328 is about 373.2830020017.

The spelling of 52013328 in words is "fifty-two million, thirteen thousand, three hundred twenty-eight".