53445212021434 has 4 divisors (see below), whose sum is σ = 80167818032154. Its totient is φ = 26722606010716.

The previous prime is 53445212021413. The next prime is 53445212021479. The reversal of 53445212021434 is 43412021254435.

53445212021434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 46686267580225 + 6758944441209 = 6832735^2 + 2599797^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13361303005357 + ... + 13361303005360.

Almost surely, 2^{53445212021434} is an apocalyptic number.

53445212021434 is a deficient number, since it is larger than the sum of its proper divisors (26722606010720).

53445212021434 is a wasteful number, since it uses less digits than its factorization.

53445212021434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26722606010719.

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 53445212021434 its reverse (43412021254435), we get a palindrome (96857233275869).

The spelling of 53445212021434 in words is "fifty-three trillion, four hundred forty-five billion, two hundred twelve million, twenty-one thousand, four hundred thirty-four".