54368505 has 12 divisors (see below), whose sum is σ = 94238820. Its totient is φ = 28996512.

The previous prime is 54368491. The next prime is 54368521. The reversal of 54368505 is 50586345.

54368505 is a `hidden beast` number, since 543 + 68 + 50 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18224361 + 36144144 = 4269^2 + 6012^2 .

It is not a de Polignac number, because 54368505 - 2⁹ = 54367993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54368505.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 604050 + ... + 604139.

It is an arithmetic number, because the mean of its divisors is an integer number (7853235).

Almost surely, 2^54368505 is an apocalyptic number.

It is an amenable number.

54368505 is a deficient number, since it is larger than the sum of its proper divisors (39870315).

54368505 is a wasteful number, since it uses less digits than its factorization.

54368505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208200 (or 1208197 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 54368505 is about 7373.5001864786. The cubic root of 54368505 is about 378.8341576868.

The spelling of 54368505 in words is "fifty-four million, three hundred sixty-eight thousand, five hundred five".