52521463 has 8 divisors (see below), whose sum is σ = 54960768. Its totient is φ = 50135904.

The previous prime is 52521461. The next prime is 52521479. The reversal of 52521463 is 36412525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52521463 - 2¹ = 52521461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52521461) 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, 11431 + ... + 15352.

It is an arithmetic number, because the mean of its divisors is an integer number (6870096).

Almost surely, 2^52521463 is an apocalyptic number.

52521463 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

52521463 is a deficient number, since it is larger than the sum of its proper divisors (2439305).

52521463 is a wasteful number, since it uses less digits than its factorization.

52521463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26873.

The product of its digits is 7200, while the sum is 28.

The square root of 52521463 is about 7247.1693094615. The cubic root of 52521463 is about 374.4946389702.

Adding to 52521463 its reverse (36412525), we get a palindrome (88933988).

The spelling of 52521463 in words is "fifty-two million, five hundred twenty-one thousand, four hundred sixty-three".