53021320014 has 16 divisors (see below), whose sum is σ = 114199766352. Its totient is φ = 16314252288.

The previous prime is 53021319961. The next prime is 53021320021. The reversal of 53021320014 is 41002312035.

It is a super-2 number, since 2×53021320014² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339880179 + ... + 339880334.

It is an arithmetic number, because the mean of its divisors is an integer number (7137485397).

Almost surely, 2^53021320014 is an apocalyptic number.

53021320014 is an abundant number, since it is smaller than the sum of its proper divisors (61178446338).

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

53021320014 is a wasteful number, since it uses less digits than its factorization.

53021320014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679760531.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 53021320014 its reverse (41002312035), we get a palindrome (94023632049).

The spelling of 53021320014 in words is "fifty-three billion, twenty-one million, three hundred twenty thousand, fourteen".