54273561 has 16 divisors (see below), whose sum is σ = 74995584. Its totient is φ = 34884864.

The previous prime is 54273511. The next prime is 54273563. The reversal of 54273561 is 16537245.

It is not a de Polignac number, because 54273561 - 2⁹ = 54273049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54273563) 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, 10380 + ... + 14706.

It is an arithmetic number, because the mean of its divisors is an integer number (4687224).

Almost surely, 2^54273561 is an apocalyptic number.

It is an amenable number.

54273561 is a deficient number, since it is larger than the sum of its proper divisors (20722023).

54273561 is a wasteful number, since it uses less digits than its factorization.

54273561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4480.

The product of its digits is 25200, while the sum is 33.

The square root of 54273561 is about 7367.0591826047. The cubic root of 54273561 is about 378.6135091842.

The spelling of 54273561 in words is "fifty-four million, two hundred seventy-three thousand, five hundred sixty-one".