54434252415021 has 16 divisors (see below), whose sum is σ = 75338810357760. Its totient is φ = 34922677696560.

The previous prime is 54434252415019. The next prime is 54434252415107. The reversal of 54434252415021 is 12051425243445.

It is not a de Polignac number, because 54434252415021 - 2¹ = 54434252415019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54434252416021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1634940175 + ... + 1634973468.

It is an arithmetic number, because the mean of its divisors is an integer number (4708675647360).

Almost surely, 2^{54434252415021} is an apocalyptic number.

It is an amenable number.

54434252415021 is a deficient number, since it is larger than the sum of its proper divisors (20904557942739).

54434252415021 is a wasteful number, since it uses less digits than its factorization.

54434252415021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269913856.

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 54434252415021 its reverse (12051425243445), we get a palindrome (66485677658466).

The spelling of 54434252415021 in words is "fifty-four trillion, four hundred thirty-four billion, two hundred fifty-two million, four hundred fifteen thousand, twenty-one".