53421520334 has 32 divisors (see below), whose sum is σ = 100917949440. Its totient is φ = 20642301792.

The previous prime is 53421520283. The next prime is 53421520357. The reversal of 53421520334 is 43302512435.

It is a super-3 number, since 3×53421520334³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53421520334.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3405254 + ... + 3420905.

It is an arithmetic number, because the mean of its divisors is an integer number (3153685920).

Almost surely, 2^53421520334 is an apocalyptic number.

53421520334 is a deficient number, since it is larger than the sum of its proper divisors (47496429106).

53421520334 is a wasteful number, since it uses less digits than its factorization.

53421520334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6826224.

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 53421520334 in words is "fifty-three billion, four hundred twenty-one million, five hundred twenty thousand, three hundred thirty-four".