52162272 has 48 divisors (see below), whose sum is σ = 152142480. Its totient is φ = 17387136.

The previous prime is 52162261. The next prime is 52162333. The reversal of 52162272 is 27226125.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 29323 + ... + 31050.

It is an arithmetic number, because the mean of its divisors is an integer number (3169635).

Almost surely, 2^52162272 is an apocalyptic number.

It is an amenable number.

52162272 is an abundant number, since it is smaller than the sum of its proper divisors (99980208).

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

52162272 is a wasteful number, since it uses less digits than its factorization.

52162272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60392 (or 60378 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 52162272 is about 7222.3453254466. The cubic root of 52162272 is about 373.6389702374.

Adding to 52162272 its reverse (27226125), we get a palindrome (79388397).

The spelling of 52162272 in words is "fifty-two million, one hundred sixty-two thousand, two hundred seventy-two".