54215132406747 has 64 divisors (see below), whose sum is σ = 84660990825600. Its totient is φ = 30549566029824.

The previous prime is 54215132406719. The next prime is 54215132406751. The reversal of 54215132406747 is 74760423151245.

It is not a de Polignac number, because 54215132406747 - 2¹⁶ = 54215132341211 is a prime.

It is a super-2 number, since 2×54215132406747² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 54215132406747.

It is not an unprimeable number, because it can be changed into a prime (54215132406247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 341220379 + ... + 341379227.

It is an arithmetic number, because the mean of its divisors is an integer number (1322827981650).

Almost surely, 2^{54215132406747} is an apocalyptic number.

54215132406747 is a deficient number, since it is larger than the sum of its proper divisors (30445858418853).

54215132406747 is a wasteful number, since it uses less digits than its factorization.

54215132406747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172832.

The product of its (nonzero) digits is 5644800, while the sum is 51.

The spelling of 54215132406747 in words is "fifty-four trillion, two hundred fifteen billion, one hundred thirty-two million, four hundred six thousand, seven hundred forty-seven".