52725216 has 24 divisors (see below), whose sum is σ = 138403944. Its totient is φ = 17575040.

The previous prime is 52725191. The next prime is 52725241. The reversal of 52725216 is 61252725.

It is an interprime number because it is at equal distance from previous prime (52725191) and next prime (52725241).

It is a tau number, because it is divible by the number of its divisors (24).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274515 + ... + 274706.

It is an arithmetic number, because the mean of its divisors is an integer number (5766831).

Almost surely, 2^52725216 is an apocalyptic number.

It is an amenable number.

52725216 is an abundant number, since it is smaller than the sum of its proper divisors (85678728).

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

52725216 is a wasteful number, since it uses less digits than its factorization.

52725216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549234 (or 549226 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 52725216 is about 7261.2131217862. The cubic root of 52725216 is about 374.9782885208.

The spelling of 52725216 in words is "fifty-two million, seven hundred twenty-five thousand, two hundred sixteen".