54511305 has 32 divisors (see below), whose sum is σ = 89800704. Its totient is φ = 28222656.

The previous prime is 54511297. The next prime is 54511307. The reversal of 54511305 is 50311545.

It is not a de Polignac number, because 54511305 - 2³ = 54511297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54511307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117504 + ... + 117966.

It is an arithmetic number, because the mean of its divisors is an integer number (2806272).

Almost surely, 2^54511305 is an apocalyptic number.

It is an amenable number.

54511305 is a deficient number, since it is larger than the sum of its proper divisors (35289399).

54511305 is a wasteful number, since it uses less digits than its factorization.

54511305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 54511305 is about 7383.1771616290. The cubic root of 54511305 is about 379.1655396389.

The spelling of 54511305 in words is "fifty-four million, five hundred eleven thousand, three hundred five".