53521056363 has 8 divisors (see below), whose sum is σ = 71526217168. Its totient is φ = 35598299904.

The previous prime is 53521056353. The next prime is 53521056377. The reversal of 53521056363 is 36365012535.

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

It is not a de Polignac number, because 53521056363 - 2⁸ = 53521056107 is a prime.

It is a super-2 number, since 2×53521056363² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53521056353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20599570 + ... + 20602167.

It is an arithmetic number, because the mean of its divisors is an integer number (8940777146).

Almost surely, 2^53521056363 is an apocalyptic number.

53521056363 is a deficient number, since it is larger than the sum of its proper divisors (18005160805).

53521056363 is a wasteful number, since it uses less digits than its factorization.

53521056363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41202173.

The product of its (nonzero) digits is 243000, while the sum is 39.

Adding to 53521056363 its reverse (36365012535), we get a palindrome (89886068898).

The spelling of 53521056363 in words is "fifty-three billion, five hundred twenty-one million, fifty-six thousand, three hundred sixty-three".