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55026684 = 22321997681
BaseRepresentation
bin1101000111101…
…0001111111100
310211112122102100
43101322033330
5103041323214
65243225100
71235501436
oct321721774
9124478370
1055026684
11290743a9
1216518190
13b52838b
147445656
154c6e309
hex347a3fc

55026684 has 36 divisors (see below), whose sum is σ = 139812400. Its totient is φ = 18247680.

The previous prime is 55026661. The next prime is 55026689. The reversal of 55026684 is 48662055.

55026684 is a `hidden beast` number, since 550 + 26 + 6 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55026689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3324 + ... + 11004.

Almost surely, 255026684 is an apocalyptic number.

It is an amenable number.

55026684 is an abundant number, since it is smaller than the sum of its proper divisors (84785716).

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

55026684 is a wasteful number, since it uses less digits than its factorization.

55026684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7890 (or 7885 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 55026684 is about 7417.9973038550. The cubic root of 55026684 is about 380.3567379408.

The spelling of 55026684 in words is "fifty-five million, twenty-six thousand, six hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 199 398 597 796 1194 1791 2388 3582 7164 7681 15362 23043 30724 46086 69129 92172 138258 276516 1528519 3057038 4585557 6114076 9171114 13756671 18342228 27513342 55026684