54018561 has 16 divisors (see below), whose sum is σ = 75110400. Its totient is φ = 34489728.

The previous prime is 54018533. The next prime is 54018583. The reversal of 54018561 is 16581045.

It is not a de Polignac number, because 54018561 - 2²¹ = 51921409 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54018521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8605 + ... + 13493.

It is an arithmetic number, because the mean of its divisors is an integer number (4694400).

Almost surely, 2^54018561 is an apocalyptic number.

It is an amenable number.

54018561 is a deficient number, since it is larger than the sum of its proper divisors (21091839).

54018561 is a wasteful number, since it uses less digits than its factorization.

54018561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5048.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 54018561 is about 7349.7320359317. The cubic root of 54018561 is about 378.0196162939.

The spelling of 54018561 in words is "fifty-four million, eighteen thousand, five hundred sixty-one".