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54242230053 = 3112791891489
BaseRepresentation
bin110010100001000101…
…101011111100100101
312012000020022210020110
4302201011223330211
51342042002330203
640530223123233
73630113230254
oct624105537445
9165006283213
1054242230053
1121005363300
12a619743519
13516591331b
1428a7cda79b
151627016d03
hexca116bf25

54242230053 has 24 divisors (see below), whose sum is σ = 80501814400. Its totient is φ = 32457934080.

The previous prime is 54242230043. The next prime is 54242230057. The reversal of 54242230053 is 35003224245.

54242230053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54242230053 - 24 = 54242230037 is a prime.

It is a super-2 number, since 2×542422300532 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54242230053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54242230057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 917068 + ... + 974421.

Almost surely, 254242230053 is an apocalyptic number.

It is an amenable number.

54242230053 is a deficient number, since it is larger than the sum of its proper divisors (26259584347).

54242230053 is a wasteful number, since it uses less digits than its factorization.

54242230053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891593 (or 1891582 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 54242230053 its reverse (35003224245), we get a palindrome (89245454298).

The spelling of 54242230053 in words is "fifty-four billion, two hundred forty-two million, two hundred thirty thousand, fifty-three".

Divisors: 1 3 11 33 79 121 237 363 869 2607 9559 28677 1891489 5674467 20806379 62419137 149427631 228870169 448282893 686610507 1643703941 4931111823 18080743351 54242230053