54102215321 has 16 divisors (see below), whose sum is σ = 67563294720. Its totient is φ = 42088081680.

The previous prime is 54102215303. The next prime is 54102215347. The reversal of 54102215321 is 12351220145.

54102215321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 54102215321 - 2¹⁸ = 54101953177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54102215521) 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, 532031 + ... + 625508.

It is an arithmetic number, because the mean of its divisors is an integer number (4222705920).

Almost surely, 2^54102215321 is an apocalyptic number.

It is an amenable number.

54102215321 is a deficient number, since it is larger than the sum of its proper divisors (13461079399).

54102215321 is a wasteful number, since it uses less digits than its factorization.

54102215321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158164.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 54102215321 its reverse (12351220145), we get a palindrome (66453435466).

The spelling of 54102215321 in words is "fifty-four billion, one hundred two million, two hundred fifteen thousand, three hundred twenty-one".