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55627040 = 255749667
BaseRepresentation
bin1101010000110…
…0110100100000
310212200010221202
43110030310200
5103220031130
65304140332
71243551650
oct324146440
9125603852
1055627040
1129444467
12167676a8
13b6a8711
147560360
154d3c145
hex350cd20

55627040 has 48 divisors (see below), whose sum is σ = 150196032. Its totient is φ = 19071744.

The previous prime is 55627027. The next prime is 55627049. The reversal of 55627040 is 4072655.

It is a junction number, because it is equal to n+sod(n) for n = 55626994 and 55627012.

It is not an unprimeable number, because it can be changed into a prime (55627049) 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, 23714 + ... + 25953.

It is an arithmetic number, because the mean of its divisors is an integer number (3129084).

Almost surely, 255627040 is an apocalyptic number.

It is an amenable number.

55627040 is an abundant number, since it is smaller than the sum of its proper divisors (94568992).

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

55627040 is a wasteful number, since it uses less digits than its factorization.

55627040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49689 (or 49681 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 55627040 is about 7458.3537057450. The cubic root of 55627040 is about 381.7350025637.

Adding to 55627040 its reverse (4072655), we get a palindrome (59699695).

The spelling of 55627040 in words is "fifty-five million, six hundred twenty-seven thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 49667 99334 198668 248335 347669 397336 496670 695338 794672 993340 1390676 1589344 1738345 1986680 2781352 3476690 3973360 5562704 6953380 7946720 11125408 13906760 27813520 55627040