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55053130 = 2511500483
BaseRepresentation
bin1101001000000…
…0101101001010
310211120222200211
43102000231022
5103043200010
65243551334
71235641516
oct322005512
9124528624
1055053130
1129092260
121652b54a
13b537422
147451146
154c7708a
hex3480b4a

55053130 has 16 divisors (see below), whose sum is σ = 108104544. Its totient is φ = 20019280.

The previous prime is 55053101. The next prime is 55053133. The reversal of 55053130 is 3135055.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (55053133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250132 + ... + 250351.

It is an arithmetic number, because the mean of its divisors is an integer number (6756534).

Almost surely, 255053130 is an apocalyptic number.

55053130 is a deficient number, since it is larger than the sum of its proper divisors (53051414).

55053130 is a wasteful number, since it uses less digits than its factorization.

55053130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500501.

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 55053130 is about 7419.7796463237. The cubic root of 55053130 is about 380.4176617360.

Adding to 55053130 its reverse (3135055), we get a palindrome (58188185).

The spelling of 55053130 in words is "fifty-five million, fifty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 500483 1000966 2502415 5004830 5505313 11010626 27526565 55053130