52528716 has 24 divisors (see below), whose sum is σ = 136185840. Its totient is φ = 17509536.

The previous prime is 52528699. The next prime is 52528733. The reversal of 52528716 is 61782525.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52528699) and next prime (52528733).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 243081 + ... + 243296.

It is an arithmetic number, because the mean of its divisors is an integer number (5674410).

Almost surely, 2^52528716 is an apocalyptic number.

It is an amenable number.

52528716 is an abundant number, since it is smaller than the sum of its proper divisors (83657124).

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

52528716 is a wasteful number, since it uses less digits than its factorization.

52528716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486390 (or 486382 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 52528716 is about 7247.6696944604. The cubic root of 52528716 is about 374.5118769046.

It can be divided in two parts, 525 and 28716, that added together give a square (29241 = 171²).

The spelling of 52528716 in words is "fifty-two million, five hundred twenty-eight thousand, seven hundred sixteen".