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55023011140 = 2252751150557
BaseRepresentation
bin110011001111101000…
…001000010101000100
312021000122111120112111
4303033220020111010
51400141342324030
641135514030404
73655343610046
oct631750102504
9167018446474
1055023011140
1121376067729
12a7b7118404
13525b5c7476
14293d8a1a96
15167084462a
hexccfa08544

55023011140 has 12 divisors (see below), whose sum is σ = 115548323436. Its totient is φ = 22009204448.

The previous prime is 55023011137. The next prime is 55023011149. The reversal of 55023011140 is 4111032055.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11945178436 + 43077832704 = 109294^2 + 207552^2 .

It is not an unprimeable number, because it can be changed into a prime (55023011149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1375575259 + ... + 1375575298.

It is an arithmetic number, because the mean of its divisors is an integer number (9629026953).

Almost surely, 255023011140 is an apocalyptic number.

It is an amenable number.

55023011140 is an abundant number, since it is smaller than the sum of its proper divisors (60525312296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55023011140 is a wasteful number, since it uses less digits than its factorization.

55023011140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751150566 (or 2751150564 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 55023011140 its reverse (4111032055), we get a palindrome (59134043195).

The spelling of 55023011140 in words is "fifty-five billion, twenty-three million, eleven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 2751150557 5502301114 11004602228 13755752785 27511505570 55023011140