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55425104 = 247736779
BaseRepresentation
bin1101001101101…
…1100001010000
310212021212221122
43103123201100
5103142100404
65255541412
71242051140
oct323334120
9125255848
1055425104
1129316779
121668a868
13b637827
14750a920
154cec3be
hex34db850

55425104 has 40 divisors (see below), whose sum is σ = 124426560. Its totient is φ = 23424768.

The previous prime is 55425103. The next prime is 55425107. The reversal of 55425104 is 40152455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55425103) 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, 4787 + ... + 11565.

It is an arithmetic number, because the mean of its divisors is an integer number (3110664).

Almost surely, 255425104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55425104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62213280).

55425104 is an abundant number, since it is smaller than the sum of its proper divisors (69001456).

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

55425104 is a wasteful number, since it uses less digits than its factorization.

55425104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6867 (or 6861 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 55425104 is about 7444.8038254879. The cubic root of 55425104 is about 381.2725206082.

Adding to 55425104 its reverse (40152455), we get a palindrome (95577559).

The spelling of 55425104 in words is "fifty-five million, four hundred twenty-five thousand, one hundred four".

Divisors: 1 2 4 7 8 14 16 28 56 73 112 146 292 511 584 1022 1168 2044 4088 6779 8176 13558 27116 47453 54232 94906 108464 189812 379624 494867 759248 989734 1979468 3464069 3958936 6928138 7917872 13856276 27712552 55425104