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55023440453 = 4147131217969
BaseRepresentation
bin110011001111101001…
…110001001001000101
312021000200022101102222
4303033221301021011
51400142000043303
641135531142125
73655350345512
oct631751611105
9167020271388
1055023440453
1121376330233
12a7b72a4945
13525b7179b7
14293d974309
1516708cb938
hexccfa71245

55023440453 has 16 divisors (see below), whose sum is σ = 58004432640. Its totient is φ = 52137945600.

The previous prime is 55023440443. The next prime is 55023440489. The reversal of 55023440453 is 35404432055.

55023440453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55023440453 - 224 = 55006663237 is a prime.

It is a super-3 number, since 3×550234404533 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55023440443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143453 + ... + 361421.

It is an arithmetic number, because the mean of its divisors is an integer number (3625277040).

Almost surely, 255023440453 is an apocalyptic number.

It is an amenable number.

55023440453 is a deficient number, since it is larger than the sum of its proper divisors (2980992187).

55023440453 is a wasteful number, since it uses less digits than its factorization.

55023440453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218188.

The product of its (nonzero) digits is 144000, while the sum is 35.

The spelling of 55023440453 in words is "fifty-five billion, twenty-three million, four hundred forty thousand, four hundred fifty-three".

Divisors: 1 41 47 131 1927 5371 6157 217969 252437 8936729 10244543 28553939 420026263 1170711499 1342035133 55023440453