54120513 has 8 divisors (see below), whose sum is σ = 74488576. Its totient is φ = 34916400.

The previous prime is 54120509. The next prime is 54120527. The reversal of 54120513 is 31502145.

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

It is not a de Polignac number, because 54120513 - 2² = 54120509 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 54120513.

It is not an unprimeable number, because it can be changed into a prime (54120553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290878 + ... + 291063.

It is an arithmetic number, because the mean of its divisors is an integer number (9311072).

Almost surely, 2^54120513 is an apocalyptic number.

It is an amenable number.

54120513 is a deficient number, since it is larger than the sum of its proper divisors (20368063).

54120513 is a wasteful number, since it uses less digits than its factorization.

54120513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581975.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 54120513 is about 7356.6645295270. The cubic root of 54120513 is about 378.2572854365.

Adding to 54120513 its reverse (31502145), we get a palindrome (85622658).

The spelling of 54120513 in words is "fifty-four million, one hundred twenty thousand, five hundred thirteen".