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55641355 = 5711433361
BaseRepresentation
bin1101010001000…
…0010100001011
310212200212120221
43110100110023
5103221010410
65304330511
71243641460
oct324202413
9125625527
1055641355
11294541a0
1216773a37
13b6b20a3
147565667
154d414da
hex351050b

55641355 has 32 divisors (see below), whose sum is σ = 85206528. Its totient is φ = 33868800.

The previous prime is 55641349. The next prime is 55641371. The reversal of 55641355 is 55314655.

It is not a de Polignac number, because 55641355 - 217 = 55510283 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 55641355.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14875 + ... + 18235.

It is an arithmetic number, because the mean of its divisors is an integer number (2662704).

Almost surely, 255641355 is an apocalyptic number.

55641355 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55641355 is a deficient number, since it is larger than the sum of its proper divisors (29565173).

55641355 is a wasteful number, since it uses less digits than its factorization.

55641355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427.

The product of its digits is 45000, while the sum is 34.

The square root of 55641355 is about 7459.3133061965. The cubic root of 55641355 is about 381.7677448409.

The spelling of 55641355 in words is "fifty-five million, six hundred forty-one thousand, three hundred fifty-five".

Divisors: 1 5 7 11 35 43 55 77 215 301 385 473 1505 2365 3311 3361 16555 16805 23527 36971 117635 144523 184855 258797 722615 1011661 1293985 1589753 5058305 7948765 11128271 55641355