53212154321255 has 4 divisors (see below), whose sum is σ = 63854585185512. Its totient is φ = 42569723457000.

The previous prime is 53212154321239. The next prime is 53212154321267. The reversal of 53212154321255 is 55212345121235.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53212154321255 - 2⁴ = 53212154321239 is a prime.

It is a Duffinian number.

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, 5321215432121 + ... + 5321215432130.

It is an arithmetic number, because the mean of its divisors is an integer number (15963646296378).

Almost surely, 2^{53212154321255} is an apocalyptic number.

53212154321255 is a deficient number, since it is larger than the sum of its proper divisors (10642430864257).

53212154321255 is a wasteful number, since it uses less digits than its factorization.

53212154321255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10642430864256.

The product of its digits is 360000, while the sum is 41.

The spelling of 53212154321255 in words is "fifty-three trillion, two hundred twelve billion, one hundred fifty-four million, three hundred twenty-one thousand, two hundred fifty-five".