54663505 has 16 divisors (see below), whose sum is σ = 70837200. Its totient is φ = 40255488.

The previous prime is 54663487. The next prime is 54663527. The reversal of 54663505 is 50536645.

It can be written as a sum of positive squares in 8 ways, for example, as 13549761 + 41113744 = 3681^2 + 6412^2 .

It is not a de Polignac number, because 54663505 - 2⁵ = 54663473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28249 + ... + 30121.

It is an arithmetic number, because the mean of its divisors is an integer number (4427325).

Almost surely, 2^54663505 is an apocalyptic number.

It is an amenable number.

54663505 is a deficient number, since it is larger than the sum of its proper divisors (16173695).

54663505 is a wasteful number, since it uses less digits than its factorization.

54663505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 54663505 is about 7393.4771927693. The cubic root of 54663505 is about 379.5180987328.

The spelling of 54663505 in words is "fifty-four million, six hundred sixty-three thousand, five hundred five".