54615663 has 12 divisors (see below), whose sum is σ = 81021928. Its totient is φ = 35426160.

The previous prime is 54615641. The next prime is 54615667. The reversal of 54615663 is 36651645.

54615663 is a `hidden beast` number, since 546 + 1 + 56 + 63 = 666.

It is not a de Polignac number, because 54615663 - 2¹³ = 54607471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54615667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81673 + ... + 82338.

Almost surely, 2^54615663 is an apocalyptic number.

54615663 is a deficient number, since it is larger than the sum of its proper divisors (26406265).

54615663 is a wasteful number, since it uses less digits than its factorization.

54615663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164054 (or 164051 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 54615663 is about 7390.2410650804. The cubic root of 54615663 is about 379.4073471781.

It can be divided in two parts, 5461566 and 3, that added together give a square (5461569 = 2337²).

The spelling of 54615663 in words is "fifty-four million, six hundred fifteen thousand, six hundred sixty-three".