54512553 has 16 divisors (see below), whose sum is σ = 76014720. Its totient is φ = 34683264.

The previous prime is 54512551. The next prime is 54512561. The reversal of 54512553 is 35521545.

It is a happy number.

It is not a de Polignac number, because 54512553 - 2¹ = 54512551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54512553.

It is not an unprimeable number, because it can be changed into a prime (54512551) 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, 56725 + ... + 57677.

It is an arithmetic number, because the mean of its divisors is an integer number (4750920).

Almost surely, 2^54512553 is an apocalyptic number.

It is an amenable number.

54512553 is a deficient number, since it is larger than the sum of its proper divisors (21502167).

54512553 is a wasteful number, since it uses less digits than its factorization.

54512553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808.

The product of its digits is 15000, while the sum is 30.

The square root of 54512553 is about 7383.2616776056. The cubic root of 54512553 is about 379.1684331976.

The spelling of 54512553 in words is "fifty-four million, five hundred twelve thousand, five hundred fifty-three".