52772388 has 24 divisors (see below), whose sum is σ = 123406080. Its totient is φ = 17552160.

The previous prime is 52772387. The next prime is 52772389. The reversal of 52772388 is 88327725.

It is an interprime number because it is at equal distance from previous prime (52772387) and next prime (52772389).

It is not an unprimeable number, because it can be changed into a prime (52772387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1158 + ... + 10338.

It is an arithmetic number, because the mean of its divisors is an integer number (5141920).

Almost surely, 2^52772388 is an apocalyptic number.

It is an amenable number.

52772388 is an abundant number, since it is smaller than the sum of its proper divisors (70633692).

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

52772388 is a wasteful number, since it uses less digits than its factorization.

52772388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9667 (or 9665 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 52772388 is about 7264.4606131495. The cubic root of 52772388 is about 375.0900832472.

The spelling of 52772388 in words is "fifty-two million, seven hundred seventy-two thousand, three hundred eighty-eight".