53215353143 has 8 divisors (see below), whose sum is σ = 53731421712. Its totient is φ = 52699631616.

The previous prime is 53215353131. The next prime is 53215353157. The reversal of 53215353143 is 34135351235.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 53215353143 - 2⁴ = 53215353127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53215350143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226871 + ... + 397367.

It is an arithmetic number, because the mean of its divisors is an integer number (6716427714).

Almost surely, 2^53215353143 is an apocalyptic number.

53215353143 is a deficient number, since it is larger than the sum of its proper divisors (516068569).

53215353143 is a wasteful number, since it uses less digits than its factorization.

53215353143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173521.

The product of its digits is 81000, while the sum is 35.

The spelling of 53215353143 in words is "fifty-three billion, two hundred fifteen million, three hundred fifty-three thousand, one hundred forty-three".