52772448 has 24 divisors (see below), whose sum is σ = 138527928. Its totient is φ = 17590784.

The previous prime is 52772429. The next prime is 52772449. The reversal of 52772448 is 84427725.

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

It is a super-4 number, since 4×52772448⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52772449) 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, 274761 + ... + 274952.

It is an arithmetic number, because the mean of its divisors is an integer number (5771997).

Almost surely, 2^52772448 is an apocalyptic number.

It is an amenable number.

52772448 is an abundant number, since it is smaller than the sum of its proper divisors (85755480).

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

52772448 is a wasteful number, since it uses less digits than its factorization.

52772448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549726 (or 549718 counting only the distinct ones).

The product of its digits is 125440, while the sum is 39.

The square root of 52772448 is about 7264.4647428424. The cubic root of 52772448 is about 375.0902254010.

The spelling of 52772448 in words is "fifty-two million, seven hundred seventy-two thousand, four hundred forty-eight".