54527513 has 8 divisors (see below), whose sum is σ = 55918728. Its totient is φ = 53149824.

The previous prime is 54527509. The next prime is 54527519. The reversal of 54527513 is 31572545.

It can be written as a sum of positive squares in 4 ways, for example, as 5345344 + 49182169 = 2312^2 + 7013^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 54527513 - 2² = 54527509 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 54527513.

It is not an unprimeable number, because it can be changed into a prime (54527519) 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, 5045 + ... + 11597.

It is an arithmetic number, because the mean of its divisors is an integer number (6989841).

Almost surely, 2^54527513 is an apocalyptic number.

54527513 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

54527513 is a deficient number, since it is larger than the sum of its proper divisors (1391215).

54527513 is a wasteful number, since it uses less digits than its factorization.

54527513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6763.

The product of its digits is 21000, while the sum is 32.

The square root of 54527513 is about 7384.2747104912. The cubic root of 54527513 is about 379.2031153680.

The spelling of 54527513 in words is "fifty-four million, five hundred twenty-seven thousand, five hundred thirteen".