52172560 has 80 divisors (see below), whose sum is σ = 133866432. Its totient is φ = 18752000.

The previous prime is 52172557. The next prime is 52172563. The reversal of 52172560 is 6527125.

It is an interprime number because it is at equal distance from previous prime (52172557) and next prime (52172563).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52172563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88587 + ... + 89173.

Almost surely, 2^52172560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52172560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66933216).

52172560 is an abundant number, since it is smaller than the sum of its proper divisors (81693872).

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

52172560 is a wasteful number, since it uses less digits than its factorization.

52172560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 52172560 is about 7223.0575243452. The cubic root of 52172560 is about 373.6635329778.

Adding to 52172560 its reverse (6527125), we get a palindrome (58699685).

It can be divided in two parts, 5217 and 2560, that added together give a palindrome (7777).

The spelling of 52172560 in words is "fifty-two million, one hundred seventy-two thousand, five hundred sixty".