54515523 has 8 divisors (see below), whose sum is σ = 72920848. Its totient is φ = 36226944.

The previous prime is 54515509. The next prime is 54515533. The reversal of 54515523 is 32551545.

It is a happy number.

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

It is not a de Polignac number, because 54515523 - 2⁴ = 54515507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54515533) 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 7 ways as a sum of consecutive naturals, for example, 28090 + ... + 29967.

It is an arithmetic number, because the mean of its divisors is an integer number (9115106).

Almost surely, 2^54515523 is an apocalyptic number.

54515523 is a deficient number, since it is larger than the sum of its proper divisors (18405325).

54515523 is a wasteful number, since it uses less digits than its factorization.

54515523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58373.

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

The square root of 54515523 is about 7383.4628054863. The cubic root of 54515523 is about 379.1753191333.

The spelling of 54515523 in words is "fifty-four million, five hundred fifteen thousand, five hundred twenty-three".