54003513 has 8 divisors (see below), whose sum is σ = 72187648. Its totient is φ = 35910864.

The previous prime is 54003503. The next prime is 54003553. The reversal of 54003513 is 31530045.

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

It is not a de Polignac number, because 54003513 - 2⁴ = 54003497 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 54003513.

It is not an unprimeable number, because it can be changed into a prime (54003503) 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, 21481 + ... + 23862.

It is an arithmetic number, because the mean of its divisors is an integer number (9023456).

Almost surely, 2^54003513 is an apocalyptic number.

It is an amenable number.

54003513 is a deficient number, since it is larger than the sum of its proper divisors (18184135).

54003513 is a wasteful number, since it uses less digits than its factorization.

54003513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45743.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 54003513 is about 7348.7082538362. The cubic root of 54003513 is about 377.9845112771.

Adding to 54003513 its reverse (31530045), we get a palindrome (85533558).

The spelling of 54003513 in words is "fifty-four million, three thousand, five hundred thirteen".