53172460 has 48 divisors (see below), whose sum is σ = 123070752. Its totient is φ = 19136000.

The previous prime is 53172433. The next prime is 53172461. The reversal of 53172460 is 6427135.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (53172461) 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, 21024 + ... + 23416.

It is an arithmetic number, because the mean of its divisors is an integer number (2563974).

Almost surely, 2^53172460 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 53172460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61535376).

53172460 is an abundant number, since it is smaller than the sum of its proper divisors (69898292).

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

53172460 is a wasteful number, since it uses less digits than its factorization.

53172460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514 (or 2512 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 53172460 is about 7291.9448708832. The cubic root of 53172460 is about 376.0355613717.

Adding to 53172460 its reverse (6427135), we get a palindrome (59599595).

It can be divided in two parts, 5317 and 2460, that added together give a palindrome (7777).

The spelling of 53172460 in words is "fifty-three million, one hundred seventy-two thousand, four hundred sixty".