54758561 has 16 divisors (see below), whose sum is σ = 67132800. Its totient is φ = 43950720.

The previous prime is 54758533. The next prime is 54758563. The reversal of 54758561 is 16585745.

It is not a de Polignac number, because 54758561 - 2¹⁰ = 54757537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54758563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5036 + ... + 11613.

It is an arithmetic number, because the mean of its divisors is an integer number (4195800).

Almost surely, 2^54758561 is an apocalyptic number.

It is an amenable number.

54758561 is a deficient number, since it is larger than the sum of its proper divisors (12374239).

54758561 is a wasteful number, since it uses less digits than its factorization.

54758561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16696.

The product of its digits is 168000, while the sum is 41.

The square root of 54758561 is about 7399.9027696315. The cubic root of 54758561 is about 379.7379564585.

The spelling of 54758561 in words is "fifty-four million, seven hundred fifty-eight thousand, five hundred sixty-one".