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55252043133 = 372375864239
BaseRepresentation
bin110011011101010001…
…110100010101111101
312021121121110121100220
4303131101310111331
51401124010340013
641214335011553
73664124421600
oct633521642575
9167547417326
1055252043133
1121483379871
12a85b969bb9
135296ba7c61
142962080337
1516859d5b23
hexcdd47457d

55252043133 has 12 divisors (see below), whose sum is σ = 85697046720. Its totient is φ = 31572595992.

The previous prime is 55252043083. The next prime is 55252043137. The reversal of 55252043133 is 33134025255.

It is not a de Polignac number, because 55252043133 - 216 = 55251977597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55252043094 and 55252043103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55252043137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187931973 + ... + 187932266.

It is an arithmetic number, because the mean of its divisors is an integer number (7141420560).

Almost surely, 255252043133 is an apocalyptic number.

It is an amenable number.

55252043133 is a deficient number, since it is larger than the sum of its proper divisors (30445003587).

55252043133 is a wasteful number, since it uses less digits than its factorization.

55252043133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375864256 (or 375864249 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 55252043133 its reverse (33134025255), we get a palindrome (88386068388).

The spelling of 55252043133 in words is "fifty-five billion, two hundred fifty-two million, forty-three thousand, one hundred thirty-three".

Divisors: 1 3 7 21 49 147 375864239 1127592717 2631049673 7893149019 18417347711 55252043133