54543511 has 8 divisors (see below), whose sum is σ = 62089344. Its totient is φ = 47428920.

The previous prime is 54543493. The next prime is 54543521. The reversal of 54543511 is 11534545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54543511 - 2²³ = 46154903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54543511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54543521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107541 + ... + 108046.

It is an arithmetic number, because the mean of its divisors is an integer number (7761168).

Almost surely, 2^54543511 is an apocalyptic number.

54543511 is a deficient number, since it is larger than the sum of its proper divisors (7545833).

54543511 is a wasteful number, since it uses less digits than its factorization.

54543511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215621.

The product of its digits is 6000, while the sum is 28.

The square root of 54543511 is about 7385.3578789386. The cubic root of 54543511 is about 379.2401969433.

The spelling of 54543511 in words is "fifty-four million, five hundred forty-three thousand, five hundred eleven".