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54052501 = 61388177
BaseRepresentation
bin1100111000110…
…0011010010101
310202201011002111
43032030122111
5102314140001
65210311021
71224303316
oct316143225
9122634074
1054052501
1128569498
1216128471
13b276b39
14727060d
154b2a851
hex338c695

54052501 has 4 divisors (see below), whose sum is σ = 54141292. Its totient is φ = 53963712.

The previous prime is 54052483. The next prime is 54052517. The reversal of 54052501 is 10525045.

54052501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10525045 = 52105009.

It can be written as a sum of positive squares in 2 ways, for example, as 11737476 + 42315025 = 3426^2 + 6505^2 .

It is a cyclic number.

It is not a de Polignac number, because 54052501 - 27 = 54052373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54052541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43476 + ... + 44701.

It is an arithmetic number, because the mean of its divisors is an integer number (13535323).

Almost surely, 254052501 is an apocalyptic number.

It is an amenable number.

54052501 is a deficient number, since it is larger than the sum of its proper divisors (88791).

54052501 is an equidigital number, since it uses as much as digits as its factorization.

54052501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88790.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 54052501 is about 7352.0406010848. The cubic root of 54052501 is about 378.0987699493.

Adding to 54052501 its reverse (10525045), we get a palindrome (64577546).

The spelling of 54052501 in words is "fifty-four million, fifty-two thousand, five hundred one".

Divisors: 1 613 88177 54052501