54511530 has 32 divisors (see below), whose sum is σ = 133873344. Its totient is φ = 14198016.

The previous prime is 54511529. The next prime is 54511531. The reversal of 54511530 is 3511545.

It is an interprime number because it is at equal distance from previous prime (54511529) and next prime (54511531).

It is a self number, because there is not a number n which added to its sum of digits gives 54511530.

It is not an unprimeable number, because it can be changed into a prime (54511531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19839 + ... + 22418.

It is an arithmetic number, because the mean of its divisors is an integer number (4183542).

Almost surely, 2^54511530 is an apocalyptic number.

54511530 is an abundant number, since it is smaller than the sum of its proper divisors (79361814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54511530 is a wasteful number, since it uses less digits than its factorization.

54511530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42310.

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

The square root of 54511530 is about 7383.1923989559. The cubic root of 54511530 is about 379.1660613174.

The spelling of 54511530 in words is "fifty-four million, five hundred eleven thousand, five hundred thirty".