53342135420478 has 8 divisors (see below), whose sum is σ = 106684270840968. Its totient is φ = 17780711806824.

The previous prime is 53342135420467. The next prime is 53342135420501. The reversal of 53342135420478 is 87402453124335.

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

53342135420478 is an admirable number.

It is a super-2 number, since 2×53342135420478² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53342135420478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4445177951701 + ... + 4445177951712.

It is an arithmetic number, because the mean of its divisors is an integer number (13335533855121).

Almost surely, 2^{53342135420478} is an apocalyptic number.

53342135420478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53342135420478 is a wasteful number, since it uses less digits than its factorization.

53342135420478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8890355903418.

The product of its (nonzero) digits is 9676800, while the sum is 51.

The spelling of 53342135420478 in words is "fifty-three trillion, three hundred forty-two billion, one hundred thirty-five million, four hundred twenty thousand, four hundred seventy-eight".