53121454235000 has 80 divisors (see below), whose sum is σ = 129875027000400. Its totient is φ = 20324730272000.

The previous prime is 53121454234999. The next prime is 53121454235039. The reversal of 53121454235000 is 53245412135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 230847845 + ... + 231077844.

It is an arithmetic number, because the mean of its divisors is an integer number (1623437837505).

Almost surely, 2^{53121454235000} is an apocalyptic number.

53121454235000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53121454235000 is an abundant number, since it is smaller than the sum of its proper divisors (76753572765400).

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

53121454235000 is a wasteful number, since it uses less digits than its factorization.

53121454235000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461925738 (or 461925719 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 53121454235000 its reverse (53245412135), we get a palindrome (53174699647135).

The spelling of 53121454235000 in words is "fifty-three trillion, one hundred twenty-one billion, four hundred fifty-four million, two hundred thirty-five thousand".