52545372 has 48 divisors (see below), whose sum is σ = 138077184. Its totient is φ = 15408000.

The previous prime is 52545371. The next prime is 52545373. The reversal of 52545372 is 27354525.

52545372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52545371) and next prime (52545373).

It is a super-2 number, since 2×52545372² = 5522032237236768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52545371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2329 + ... + 10512.

It is an arithmetic number, because the mean of its divisors is an integer number (2876608).

Almost surely, 2^52545372 is an apocalyptic number.

It is an amenable number.

52545372 is an abundant number, since it is smaller than the sum of its proper divisors (85531812).

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

52545372 is a wasteful number, since it uses less digits than its factorization.

52545372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12890 (or 12888 counting only the distinct ones).

The product of its digits is 42000, while the sum is 33.

The square root of 52545372 is about 7248.8186623753. The cubic root of 52545372 is about 374.5514565930.

Adding to 52545372 its reverse (27354525), we get a palindrome (79899897).

It can be divided in two parts, 525453 and 72, that added together give a palindrome (525525).

The spelling of 52545372 in words is "fifty-two million, five hundred forty-five thousand, three hundred seventy-two".